Add changelog and bump version for 1.9.2.0.

src/CHANGELOG

+1.9.2.0:
+ * Bug 15562: Bind SharedWorkers to thirdparty pref
+ * Bug 15533: Restore default security level when restoring defaults
+ * Bug 15510: Close Tor Circuit UI control port connections on New Identity
+ * Bug 15472: Make node text black in circuit status UI.
+ * Bug 15502: Wipe blob URIs on New Identity
+
 1.9.1.0:
  * Bug 9387: "Security Slider 1.0"
    * Include descriptions and tooltip hints for security levels

src/install.rdf

@@ -6,7 +6,7 @@
         <em:name>Torbutton</em:name>
         <em:creator>Mike Perry</em:creator>
         <em:id>torbutton@torproject.org</em:id>
-        <em:version>1.9.1.0</em:version>
+        <em:version>1.9.2.0</em:version>
         <em:homepageURL>https://www.torproject.org/projects/torbrowser.html.en</em:homepageURL>
         <em:optionsURL>chrome://torbutton/content/preferences.xul</em:optionsURL>
         <em:iconURL>chrome://torbutton/skin/tor.png</em:iconURL>