Sync CHANGELOG with 2-1-stable branch

Author: Rafael Mendonça França

CHANGELOG.md

@@ -1,3 +1,20 @@
+### 2.1.2
+
+*   Fix the precompile checker to to use asset's logical path.
+
+    *Matthew Draper*
+
+*   Doesn't require `depend_on_assset` if any sprockets helper is used.
+
+    *Matthew Draper*
+
+
+### 2.1.1
+
+*   Support Rails 3 applications. It was removed in the previous release
+    but it was release inside a 2.1.0 by mistake.
+
+
 ### 2.1.0
 
 *   Drop support to Rails 3 applications.

lib/sprockets/rails/version.rb

@@ -1,5 +1,5 @@
 module Sprockets
   module Rails
-    VERSION = "2.1.1"
+    VERSION = "2.1.2"
   end
 end