Release preparations for 2.1.8

Version bump and CHANGELOG update

src/CHANGELOG

+2.1.8
+ * Bug 30171: Don't sync cookie.cookieBehavior and firstparty.isolate
+ * Bug 30115: Map browser+domain to credentials to fix circuit display
+ * Bug 30497: Add Donate link to about:tor
+ * Bug 30069: Use slider and about:tor localizations on mobile
+ * Bug 30425: Revert armagadd-on-2.0 changes
+ * Translations update
+
 2.1.7
  * Bug 30388: Make sure the updated intermediate certificate keeps working
 

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>2.1.6</em:version>
+        <em:version>2.1.8</em:version>
         <em:multiprocessCompatible>true</em:multiprocessCompatible>
         <em:homepageURL>https://www.torproject.org/projects/torbrowser.html.en</em:homepageURL>
         <em:iconURL>chrome://torbutton/skin/tor.png</em:iconURL>