Inititial version of AV Document preview.
WIP Issue#130 : First draft of Audio Preview resource manager.
Merge branch 'develop' of https://github.com/apportable/SpriteBuilder into develop
Issue#130 adjust Audio preview based on feedback.
Rename files for Audio Preview.
Fix up name property of CCNode to appear under Visible check.
Merge pull request #134 from jtwigg/develop

Develop
Fixes #131
Updates Cocos2d
Merge branch 'refs/heads/develop' into convert-to-ARC

Conflicts:
	SpriteBuilder/SpriteBuilder.xcodeproj/project.pbxproj
	SpriteBuilder/ccBuilder/UsageManager.m
	SpriteBuilder/ccBuilder/en.lproj/MainMenu.xib