Update version strings for 2.2 release.

This drops the supported FF max-version back to 3.5.*.  There's several
reported problems with 3.6 that won't be fixed prior to this release.

vimperator/Makefile

@@ -1,6 +1,6 @@
 #### configuration
 
-VERSION       = 2.2b1
+VERSION       = 2.2
 NAME          = vimperator
 
 include ../common/Makefile.common

vimperator/NEWS

@@ -1,5 +1,5 @@
-2009-XX-XX:
-    * version 2.2a1pre
+2009-10-28:
+    * version 2.2
     * IMPORTANT: Vimperator's licence has changed from the MPL/GPL/LGPL
       tri-license to the MIT license.
     * IMPORTANT: Map.flags has been replaced with individual properties.

vimperator/install.rdf

@@ -19,7 +19,7 @@
             <Description>
                 <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
                 <em:minVersion>3.5</em:minVersion>
-                <em:maxVersion>3.6b2pre</em:maxVersion>
+                <em:maxVersion>3.5.*</em:maxVersion>
             </Description>
         </em:targetApplication>
     </Description>