Update news with API incompatible changes.

And add a method overload to keep the number of API breakages down to 2!

NEWS

@@ -1,6 +1,12 @@
 OpenTSDB - User visible changes.
 
-* Version 2.0.0 (2014-05-5)
+* Version 2.0.0 (2014-05-5) [???????]
+
+API incompatible changes:
+  - The `TSDB' class now takes a `Config' object in argument instead of an
+    HBaseClient and two strings.
+  - The downsampling interval for the method `Query.downsample' went from
+    being an `int' to a `long'.
 
 Noteworthy changes:
   - Configuration can be provided in a properties file
@@ -44,13 +50,13 @@ Noteworthy changes:
   - New Debian package compilable from the source
   - New RPM package compilable from the source
 
+
 * Version 1.1.1 (2013-??-??) [???????]
 
 Noteworthy changes:
   - UIDs are now assigned in a lock-less fashion.
 
-
-
+
 * Version 1.1.0 (2013-03-08) [12879d7]
 
 Noteworthy changes:

src/stats/StatsCollector.java

@@ -192,6 +192,17 @@ public final void addExtraTag(final String name, final String value) {
    * This uses {@link InetAddress#getLocalHost} to find the hostname of the
    * current host.  If the hostname cannot be looked up, {@code (unknown)}
    * is used instead.
+   */
+  public final void addHostTag() {
+    addHostTag(false);
+  }
+
+  /**
+   * Adds a {@code host=hostname} or {@code fqdn=full.host.name} tag.
+   * <p>
+   * This uses {@link InetAddress#getLocalHost} to find the hostname of the
+   * current host.  If the hostname cannot be looked up, {@code (unknown)}
+   * is used instead.
    * @param canonical Whether or not we should try to get the FQDN of the host.
    * If set to true, the tag changes to "fqdn" instead of "host"
    */