Update CHANGELOG.md

Author: johnkil

CHANGELOG.md

@@ -2,13 +2,21 @@ Change Log
 ==========
 
 
+Version 2.2.0 *(2014-10-06)*
+----------------------------
+
+* Imlemented `RobotoTypefaceSpan`.
+* Use Anti-Alias rendering.
+* Support Gradle 0.13.
+
+
 Version 2.1.0 *(2014-06-26)*
 ----------------------------
 
 * Support Roboto Typefaces from Android L (Material Design).
 * Implementation of Alternative Attributes to Set the Typeface.
 * Use Sub-Pixel Rendering.
-* Support Gradle 0.11
+* Support Gradle 0.11.
 
 
 Version 2.0.1 *(2014-04-28)*