contentScale/positionScale fixes for SpriteBuilder
Fixes for rulers.
Some cleanup.
Fixing rulers in the iPad preview.
Merge pull request #88 from jtwigg/develop

draw underline on sound channel properly
Updated mouse cursors for transformations
Merge branch 'develop' of github.com:apportable/SpriteBuilder into develop
Fix for the 0 scale bug.
Merge branch 'develop' into contentScale
Layer ccb file contentScale fix.
Name changes.
More ruler fixes.
Removing some useless logging.
Updates Cocos2d
Renames CCLayerColor to CCNodeColor and CCLayerGradient to CCNodeGradient
Updates user positioning controls
Updates Cocos2d
Updates naming of positioning types
Fixes compile issues in default project
Updates Cocos2d