Merge pull request #20 from claudiob/patch-1

Update README: still maintained after Rails 4.2.

Author: rafaelfranca

README.md

@@ -3,8 +3,6 @@ actionpack-action_caching
 
 Action caching for Action Pack (removed from core in Rails 4.0).
 
-**NOTE:** It will continue to be officially maintained until Rails 4.1.
-
 Installation
 ------------