Release preparations for 2.0

CHANGELOG update and version bump

src/CHANGELOG

+2.0
+ * Bug 26100: Adapt Torbutton to Firefox 60 ESR
+ * Bug 24309: Move circuit display to the identity popup
+ * Bug 26128: Adapt security slider to the WebExtensions version of NoScript
+ * Bug 23247: Show security state of .onions
+ * Bug 26129: Show our about:tor page on startup
+ * Bug 26235: Hide new unusable items from help menu
+ * Bug 26058: Remove workaround for hiding 'sign in to sync' button
+ * Bug 20628: Add locales bn-BD, da, he, sv, zh-TW
+ * Translations update
+
 1.9.9.1
  * Bug 25126: Make about:tor layout responsive
  * Translations update

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>1.9.9.1</em:version>
+        <em:version>2.0</em:version>
         <em:multiprocessCompatible>true</em:multiprocessCompatible>
         <em:homepageURL>https://www.torproject.org/projects/torbrowser.html.en</em:homepageURL>
         <em:optionsURL>chrome://torbutton/content/preferences.xul</em:optionsURL>