Release preparations for 1.9.9

CHANGELOG update and version bump

src/CHANGELOG

+1.9.9
+ * Bug 24159: Version check does not deal with platform specific checks
+ * Bug 25016: Remove 2017 donation banner
+ * Translations update
+
 1.9.8.5
  * Bug 21245: Add da translation to Torbutton and keep track of it
  * Bug 24702: Remove Mozilla text from banner

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>1.9.8.5</em:version>
+        <em:version>1.9.9</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>