Updates Cocos2D
Updated compiler to release_3.0.0-alpha.7.
Add APPPlatformSupportUI plugin component to Android plugin installer
Merge pull request #907 from breckinloggins/develop

Add APPPlatformSupportUI plugin component to Android plugin installer
Fix #852 Build notes in the readme are out of date
Merge pull request #911 from collinjackson/fix_build_readme

Fix #852 Build notes in the readme are out of date
Merge remote-tracking branch 'origin/develop' into mac_target