Rails 2.2.2

Updated to Rails 2.2.2.
Added a couple more Ruby 1.9 fixes, but that's pretty much at a standstill,
until one gets Maruku and HTML5lib working right under Ruby 1.9.

vendor/rails/actionpack/lib/action_pack/version.rb

@@ -2,7 +2,7 @@ module ActionPack #:nodoc:
   module VERSION #:nodoc:
     MAJOR = 2
     MINOR = 2
-    TINY  = 0
+    TINY  = 2
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end