Fix error when updating text of the CCLabel.  The missing characters were not being updated.
Make sure we only change the text if the value actually changes.
Fix the Anti-Alias states as they were backwards.  This really needs to be a property and those methods marked as obsolete.
Add IsUseAntiAlias property and marked the SetAntiAliasTexParameters and SetAliasTexParameter methods as obsolete.  This also adds convenient IsUserAntiAlias property to classes to set the Texture AntiAliasing.
Change IsUseAntAlias to IsAntialiased
Merge pull request #284 from mono/master

Fixes and Add IsUseAntiAlias property and marked the SetAntiAliasTexParameters …