deps: upgrade npm to 3.3.6

PR-URL: nodejs#3310
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

deps/npm/.mailmap

@@ -24,6 +24,7 @@ Isaac Z. Schlueter <i@izs.me> <i@foohack.com>
 Isaac Z. Schlueter <i@izs.me> isaacs <i@izs.me>
 Jake Verbaten <raynos2@gmail.com>
 James Sanders <jimmyjazz14@gmail.com>
+James Treworgy <jamietre@gmail.com>
 Jason Smith <jhs@iriscouch.com>
 Jonas Weber <github@jonasw.de>
 Julien Meddah <julien.meddah@deveryware.com>

deps/npm/.travis.yml

@@ -8,7 +8,7 @@ env:
   - DEPLOY_VERSION=testing
 before_install:
   - "npm config set spin false"
-  - "npm install -g npm/npm#2.x"
+  - "node . install -g ."
   - "sudo mkdir -p /var/run/couchdb"
 script: "npm run-script test-all"
 notifications:

deps/npm/AUTHORS

@@ -291,11 +291,12 @@ Eduardo Pinho <enet4mikeenet@gmail.com>
 Rachel Hutchison <rhutchix@intel.com>
 Ryan Temple <ryantemple145@gmail.com>
 Eugene Sharygin <eush77@gmail.com>
-Nick Heiner <nick.heiner@opower.com>
 James Talmage <james@talmage.io>
 jane arc <jane@uber.com>
 Joseph Dykstra <josephdykstra@gmail.com>
+Andrew Crites <ajcrites@gmail.com>
 Joshua Egan <josh-egan@users.noreply.github.com>
+Carlos Alberto <euprogramador@gmail.com>
 Thomas Cort <thomasc@ssimicro.com>
 Thaddee Tyl <thaddee.tyl@gmail.com>
 Steve Klabnik <steve@steveklabnik.com>
@@ -308,7 +309,7 @@ murgatroid99 <mlumish@google.com>
 Marcin Cieslak <saper@saper.info>
 João Reis <reis@janeasystems.com>
 Matthew Hasbach <hasbach.git@gmail.com>
-Anna Henningsen <sqrt@entless.org>
 Jon Hall <jon_hall@outlook.com>
+Anna Henningsen <sqrt@entless.org>
+James Treworgy <jamietre@gmail.com>
 James Hartig <james@levenlabs.com>
-snopeks <stephaniesnopek@gmail.com>