DHE key lengths less than 1024bits is already weaken as pointed out in
https://weakdh.org/ . 1024bits will not be safe in near future. We
will extend this up to 2048bits somedays later.

PR-URL: nodejs#1739
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Fedor Indutny <fedor@indutny.com>

PR-URL: nodejs#1749
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

Improve detection and usage of pkg-config. This simplifies the setup
of all our shared libraries.

If pkg-config is installed on the host and `--shared` flags are passed
by the user, we try to get defaults from pkg-config instead of using the
default provided by configure.

PR-URL: nodejs#1603
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

Emit errors using `.destroy(err)` instead of `.destroy()` and
`.emit('error', err)`. Otherwise `close` event is emitted with the
`error` argument set to `false`, even if the connection was torn down
because of the error.

See: nodejs#1119
PR-URL: nodejs#1711
Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com>

Made it obvious that path is ignored in url.format

PR-URL: nodejs#1753

PR-URL: nodejs#1755
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

This fixes a race condition introduced in 80342f6.
`socket.destroy(err)` only emits the passed error when
`socket._writableState.errorEmitted === false`, `ssl.onerror`
sets `errorEmitted = true` just before calling
`socket.destroy()`.

See: nodejs#1119
See: nodejs#1711
PR-URL: nodejs#1769
Reviewed-By: Fedor Indutny <fedor@indutny.com>

Buffer.byteLength is important for speed because it is called whenever a
new Buffer is created from a string.

This commit optimizes Buffer.byteLength execution by:
- moving base64 length calculation into JS-land, which is now much
  faster
- remove redundant code and streamline the UTF8 length calculation

It also adds a benchmark and better tests.

PR-URL: nodejs#1713
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

Modifies the following methods to return the instance instead
of undefined, to allow for chaining these methods:

- net.Server.ref
- net.Server.unref
- net.Socket.ref
- net.Socket.unref
- dgram.Socket.ref
- dgram.Socket.unref

PR-URL: nodejs#1768
Reviewed-By: Evan Lucas <evanlucas@me.com>

Modifies the Socket.setNoDelay and Socket.setKeepAlive methods to return
the socket instance instead of undefined, to allow for chaining.

PR-URL: nodejs#1779
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

Update AUTHORS list using tools/update-authors.sh

PR-URL: nodejs#1776
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

PR-URL: nodejs#1763
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

Every npm version bump requires a few patches to be floated on
node-gyp for io.js compatibility. These patches are found in
03d1992,
5de334c, and
da730c7. This commit squashes
them into a single commit.

PR-URL: nodejs#990
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

The delay-load hook allows node.exe/iojs.exe to be renamed. See efadffe
for more background.

This commit is a combined squash of the following previous patches:
ba93c58,
3bda6cb,
0d6d3dd.

PR-URL: nodejs#1763
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

PR-URL: nodejs#1777

Notable Changes:

* crypto: Diffie-Hellman key exchange (DHE) parameters ('dhparams') must now be
  1024 bits or longer or an error will be thrown. A warning will also be printed
  to the console if you supply less than 2048 bits. See https://weakdh.org/ for
  further context on this security concern. (Shigeki Ohtsu) nodejs#1739.
* node: A new --trace-sync-io command line flag will print a warning and a stack
  trace whenever a synchronous API is used. This can be used to track down
  synchronous calls that may be slowing down an application.
  (Trevor Norris) nodejs#1707.
* node: To allow for chaining of methods, the setTimeout(), setKeepAlive(),
  setNoDelay(), ref() and unref() methods used in 'net', 'dgram', 'http',
  'https' and 'tls' now return the current instance instead of undefined
  (Roman Reiss & Evan Lucas) nodejs#1699 nodejs#1768 nodejs#1779.
* npm: Upgraded to v2.10.1, release notes can be found in
  https://github.com/npm/npm/releases/tag/v2.10.1 and
  https://github.com/npm/npm/releases/tag/v2.10.0.
* util: A significant speed-up (in the order of 35%) for the common-case of a
  single string argument to util.format(), used by console.log()
  (Сковорода Никита Андреевич) nodejs#1749.

PR-URL: nodejs#1782
Reviewed-By: Roman Reiss <me@silverwind.io>

PR-URL: nodejs#1572
Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

Explicitly states the fact that no decoding is performed on the url
path or pathname or the query string by default in the URL module.

Fixes: nodejs#1538
PR-URL: nodejs#1731
Reviewed-By: Roman Reiss <me@silverwind.io>

This commit removes unnecessary nextTick() closures and adds some
shared nextTick() callbacks for better re-use.

PR-URL: nodejs#1612
Reviewed-By: Yosuke Furukawa <yosuke.furukawa@gmail.com>
Reviewed-By: Brendan Ashworth <brendan.ashworth@me.com>

The non-isolate version of node::FatalException() is deprecated, switch
to the version that takes an isolate as its first argument.

PR-URL: nodejs#1793
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

Commit 3e1b1dd ("Remove excessive copyright/license boilerplate") left
in a few lines of boilerplate here and there.  This commit removes them.

PR-URL: nodejs#1793
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

The JS source files in test/addons/doc-*/ are scraped from the reference
documentation in doc/api and need not conform to the style guide.

PR-URL: nodejs#1793
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

Fixes: nodejs#1754
PR-URL: nodejs#1775
Reviewed-By: Brendan Ashworth <brendan.ashworth@me.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

Defer evaluation of the script for a tick.  This is a workaround for
events not firing when evaluating scripts on the command line with -e.

Fixes: nodejs#1600
PR-URL: nodejs#1793
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

Fixes: nodejs#999
PR-URL: nodejs#1014
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

Replace calls to fs.statSync() with an internal variant that does not
create Error or Stat objects that put strain on the garbage collector.

A secondary benefit is that it improves start-up times in the debugger
because it no longer emits thousands of exception debug events.

PR-URL: nodejs#1801
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

Replace calls to fs.readFileSync() with an internal variant that does
not create Error objects on failure and is a bit speedier in general.

A secondary benefit is that it improves start-up times in the debugger
because it no longer emits thousands of exception debug events.

On a medium-sized application[0], this commit and its predecessor reduce
start-up times from about 1.5s to 0.5s and reduce the number of start-up
exceptions from ~6100 to 32, half of them internal to the application.

[0] https://github.com/strongloop/loopback-sample-app

PR-URL: nodejs#1801
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

Fixes: nodejs#1797
PR-URL: nodejs#1806
Reviewed-By: fishrock123@rocketmail.com

Required to make linting pass for using object literal
shorthand properties.

PR-URL: nodejs#1760
Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com>

Creates two new internal modules (child_process and socket_list) for
better readability.

Exposes the ChildProcess constructor from the child_process module so
one can now `require(‘child_process’).ChildProcess`

Fixes: nodejs#1751
PR-URL: nodejs#1760
Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com>

This reverts commit 3c44100.

Reverted for breaking node-heapdump[0].

AsyncWrap assigns a class id but does not set a v8::RetainedObjectInfo
provider callback with v8::HeapProfiler::SetWrapperClassInfoProvider().
The result is a null pointer dereference when taking a heap snapshot.

It can probably be solved by setting a generic provider callback inside
the AsyncWrap constructor but that may have performance ramifications
that need to be investigated first.  I move to revert it for now.

[0] https://github.com/bnoordhuis/node-heapdump

PR-URL: nodejs#1827
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

Add a regression test for nodejs#1827.

PR-URL: nodejs#1828
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

`flushHeaders` should work for header written
with `writeHead`.

PR-URL: nodejs#1695
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

On a few of our installations (namely CentOS), passing 'INFO'
resulted in a silent loglevel. Use a logging constant instead.

Fixes: nodejs/build#104
PR-URL: nodejs#1842
Reviewed-By: Rod Vagg <rod@vagg.org>

The Socket writable only change was added and implemented in the
constructor around 5885f46, but this was never removed.

The libev counter issue is no longer prudent; the test remains in
test/sequential/test-regress-GH-1726.

PR-URL: nodejs#1819
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

PR-URL: nodejs#1829
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

Every npm version bump requires a few patches to be floated on
node-gyp for io.js compatibility. These patches are found in
03d1992,
5de334c, and
da730c7. This commit squashes
them into a single commit.

PR-URL: nodejs#990
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

The delay-load hook allows node.exe/iojs.exe to be renamed. See efadffe
for more background.

This commit is a combined squash of the following previous patches:
ba93c58,
3bda6cb,
0d6d3dd.

PR-URL: nodejs#1763
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

When the preload module is not a abs/relative path, we should use
the standard search mechanism of looking into the node_modules folders
outwards. The current working directory is deemed to be the 'requiring
module', i.e. parent. The search path starts from cwd outwards.

Fixes: nodejs#1803
PR-URL: nodejs#1812
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

This change eliminates an unnecessary setTimeout() in the test.

PR-URL: nodejs#1821
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Brendan Ashworth <brendan.ashworth@me.com>

PR-URL: nodejs#1808

Notable Changes:

* node: Speed-up require() by replacing usage of fs.statSync() and
  fs.readFileSync() with internal variants that are faster for this use-case
  and do not create as many objects for the garbage collector to clean up.
  The primary two benefits are: significant increase in application start-up
  time on typical applications and better start-up time for the debugger by
  eliminating almost all of the thousands of exception events.
  (Ben Noordhuis) nodejs#1801.
* node: Resolution of pre-load modules (-r or --require) now follows the
  standard require() rules rather than just resolving paths, so you can now
  pre-load modules in node_modules. (Ali Ijaz Sheikh) nodejs#1812.
* npm: Upgraded npm to v2.11.0. New hooks for preversion, version, and
  postversion lifecycle events, some SPDX-related license changes and license
  file inclusions. See the release notes for full details.

The improper deprecation of the property broke a feature in the
request module used by the bundled npm. This reverts the deprecation
part of this change.

PR-URL: nodejs#1852
Fixes: nodejs#1850
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Roman Reiss <me@silverwind.io>

While checking the return values from icu-i18n, we didn't
validate the content before passing it to the build system.

Also make cflags parsing more robust by avoiding empty strings.

Fixes: nodejs#1787
PR-URL: nodejs#1789
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

PR-URL: nodejs#1856

Notable Changes:

* http: reverts the removal of an undocumented `client` property on client
  connections, this property is being used in the wild, most notably by
  https://github.com/request/request which is used by npm.
  (Michaël Zasso) [nodejs#1852](nodejs#1852).

This fixes a platform inconsistency between BSD and GNU `cp` where
`deps/npm` would be copied into a subdirectory of `test-npm` on Linux,
but not on OS X.

PR-URL: nodejs#1853
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>

PR-URL: nodejs#1859
Reviewed-By: Brendan Ashworth <brendan.ashworth@me.com>
Reviewed-By: Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>

Options have been moved into the NodeOptions class.
A new global, node_options now exists and is used
to access the options after the command line arguments
have been parsed.

PR-URL: nodejs#1804
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

This reverts commit c0e7bf2.

There are a few edge cases that can cause a crash
and need to be properly handled.

PR-URL: nodejs#1862
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

 - `sh.css` already exists in `api_assets`
 - `sh_vim-dark.css` is unused, but used in the repo `node-website`
        now

Reviewed-by: Trevor Norris <trev.norris@gmail.com>
Signed-off-by: Julien Gilli <julien.gilli@joyent.com>

PORT-FROM: joyent/node @ 0c50195
PR-URL: nodejs#1770
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

Clarify that synchronous functions in fs with no return value return
undefined.

Specify that fs.openSync() returns an integer and fs.existsSync()
returns true or false.

Fixes: nodejs/node-v0.x-archive#9313

PR: nodejs/node-v0.x-archive#9359
Reviewed-By: Julien Gilli <julien.gilli@joyent.com>

PORT-FROM: joyent/node @ 51fe319
PR-URL: nodejs#1770
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

Conflicts:
	doc/api/fs.markdown

PR-URL: nodejs#1858
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

The smalloc module is about to be deprecated and removed.  Remove the
add-on test now so it's not forgotten about in the upcoming purge.

PR-URL: nodejs#1835
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

Remove the reference to net.Socket.verifyPeer().
That was removed in ea540c9 and was missed in the 032f80e.

Refer to the net.Socket instance by the .socket property.
This avoids unneeded confusion.
'.socket' is the variant that is used internally.

Add a markdown link to net.Socket.getPeerCertificate().

PR-URL: nodejs#1867
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

PR-URL: nodejs#1857
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

Make sure all the stdout data is available before
performing the assertions.

Fixes: nodejs#944
PR-URL: nodejs#1868
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

PR-URL: nodejs#1833
Reviewed-By: Shigeki Ohtsu <ohtsu@iij.ad.jp>

Remove unneeded functionality and tweak the generated output so we
can #include it in C++ source code.

This commit essentially reapplies the changes from commit e159073
("tools: customize mk-ca-bundle.pl") to the updated script.

PR-URL: nodejs#1833
Reviewed-By: Shigeki Ohtsu <ohtsu@iij.ad.jp>

This is the latest certdata.txt from [0], last updated on 2015-04-20.

[0] https://hg.mozilla.org/mozilla-central/raw-file/aa275ad846f1/security/nss/lib/ckfw/builtins/certdata.txt

PR-URL: nodejs#1833
Reviewed-By: Shigeki Ohtsu <ohtsu@iij.ad.jp>

Update the list of root certificates in src/node_root_certs.h with
tools/mk-ca-bundle.pl.

PR-URL: nodejs#1833
Reviewed-By: Shigeki Ohtsu <ohtsu@iij.ad.jp>

Enable encoding option on fs.createWriteStream.

PR-URL: nodejs#1844
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

Exporting it seems like an oversight.  It's not safe to call once
V8 is running so there doesn't seem to be a point in exporting it
to add-ons.  Un-export it.

PR-URL: nodejs#1815
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

If the server is not accepting connections because maxConnections
is exceeded, the server should start accepting connections again
when a connection closes.

PR-URL: nodejs#1855
Reviewed-By: Brendan Ashworth <brendan.ashworth@me.com>

PR-URL: nodejs#1882
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Roman Reiss <me@silverwind.io>

OpenSSL s_client introduces some delay on Windows. With all clients
running sequentially, this delay is big enough to break CI. This fix runs
the clients in parallel (unless the test includes renegotiation),
reducing the total run time.

Fixes: nodejs#1461
PR-URL: nodejs#1836
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

Different servers must use different ports. Since we can count only on
common.PORT and common.PORT+1, run only 2 servers in parallel.

Fixes: nodejs#1461
PR-URL: nodejs#1836
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

When running in parallel, it is not easy to identify what server and
client failed when the test fails. This adds identifiers to all lines
of console output.

Fixes: nodejs#1461
PR-URL: nodejs#1836
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

For better performance of the test, the parent kills child processes
so as not to wait them to be ended.

Fixes: nodejs#1461
PR-URL: nodejs#1836
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

In openssl s_client on Windows, RAND_screen() is invoked to initialize
random state but it takes several seconds in each connection.
This added -no_rand_screen to openssl s_client on Windows to skip
RAND_screen() and gets a better performance in the unit test of
test-tls-server-verify.
Do not enable this except to use in the unit test.

Fixes: nodejs#1461
PR-URL: nodejs#1836
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

This improves the performance of openssl s_client on Windows and
gains several seconds to finish test-tls-server-verify.

Fixes: nodejs#1461
PR-URL: nodejs#1836
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

This test was failing occasionally both locally and on CI. Switched
from using spawn to execFile for a more reliable test.

Fixes: nodejs#1837
PR-URL: nodejs#1840
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

Fixes net-server-max-connections-close-makes-more-available
Handles connection 'error' event so the test ends.

PR-URL: nodejs#1881
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Brendan Ashworth <brendan.ashworth@me.com>

Fixes: nodejs/node-v0.x-archive#9310
PR-URL: nodejs#1889
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

Revert "dgram: call send callback asynchronously" partially, since the
fix is now done in libuv.

Refs: nodejs#1313
Refs: libuv/libuv#371
PR-URL: nodejs#1889
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

It's not clear what additional tests are wanted.
The current malformed URL test seems adequate.

PR-URL: nodejs#1875
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>

`printDeprecationMessage` is used to deprecate modules
and execution branches.

PR-URL: nodejs#1822
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

It makes no sense to allow people use constants from
`smalloc`, since it will be removed completely eventually.

PR-URL: nodejs#1822
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

When loading session, OCSP response, SNI, always check that the
`self._handle` is present. If it is not - the socket was closed - and we
should emit the error instead of throwing an uncaught exception.

Fix: nodejs/node-v0.x-archive#8780
Fix: nodejs#1696
PR-URL: nodejs#1702
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

* Destroy `SSL*` and friends on a next tick to make sure that we are not
  doing it in one of the OpenSSL callbacks
* Add more checks to the C++ methods that might be invoked during
  destructor's pending queue cleanup

Fix: nodejs/node-v0.x-archive#8780
Fix: nodejs#1696
PR-URL: nodejs#1702
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

PR-URL: nodejs#1702
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

Add string encoding option for fs.createReadStream and
fs.createWriteStream. and check argument type more strictly

PR-URL: nodejs#1845
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

When using `iojs debug -p <pid>` with an invalid pid, the debugger
printed an internal error message because it wasn't smart enough
to figure out that the target process didn't exist.  Now it is.

PR-URL: nodejs#1863
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Fedor Indutny <fedor@indutny.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Yosuke Furukawa <yosuke.furukawa@gmail.com>

This allows `graceful-fs` to evaluate `fs` source
without access to internals.

This is a temporary workaround that makes npm work.

See: isaacs/node-graceful-fs#41
Fixes: nodejs#1898
PR-URL: nodejs#1903
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

PR-URL: nodejs#1905
Refs: nodejs#1791
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

On case insensitive platforms, the rule was catching the debug module
under npm and eslint.

See: nodejs#1899 (comment)
PR-URL: nodejs#1908
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

os.homedir() calls libuv's uv_os_homedir() to retrieve the current
user's home directory.

PR-URL: nodejs#1791
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Rod Vagg <rod@vagg.org>

If tab completion is not being used, allow user to enter tab
characters.

PR-URL: nodejs#1761
Reviewed-By: Brendan Ashworth <brendan.ashworth@me.com>

Added instructions on how to get the elliptic curves supported by the
OpenSSL installation in the crypto.createECDH() constructor. Also made
a few minor grammar fixes within the same paragraph.

PR-URL: nodejs#1913
Reviewed-By: Roman Reiss <me@silverwind.io>

Remove comma splice. Edit for clarity and concision.

PR-URL: nodejs#1900
Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com>

PR-URL: nodejs#1914
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

The comment suggests adding randomness to the test suite.

PR-URL: nodejs#1820
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>