bump version and update changelog

src/CHANGELOG

+1.9.3.1
+ * Bug 16268: Show Tor Browser logo on About page
+ * Bug 16639: Check for Updates menu item can cause update failure
+ * Bug 15781: Remove the sessionstore filter
+ * Bug 15656: Sync privacy.resistFingerprinting with Torbutton pref
+
 1.9.3.0
  * Bug 16427: Use internal update URL
  * Bug 16200: Update Cache API usage and prefs for FF38

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>1.9.3.0</em:version>
+        <em:version>1.9.3.1</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>