copy paste mixup.
Merge branch 'develop' of https://github.com/apportable/SpriteBuilder into develop
Bugfix for issue Tree case-sensitivity with rename #136.
NSFileManager's moveItemAtPath:toPath:error: will consider renaming foo.txt -> Foo.txt invalid since the file already exists. Fix renames in two steps: old -> tmp -> new.
update SpriteKit project template: new icons, remove published resources, default to not export "phone" resources
SK plugin node: fix incorrect rotation
update SK submodule ref
Merge pull request #293 from NickyWeber/bugfix/issue_136

Bugfix for issue Tree case-sensitivity with rename #136.
publisher: extracted spritesheet generation into its own method
Updates the link to the SpriteBuilder-SK submodule
Fixes project file for default projects
Started working on feature #162, some refactoring and preparations to drag multiple items.
Pin joints fixups.
Merge branch 'develop' of https://github.com/apportable/SpriteBuilder into develop
add type to writer. 
update cocos2d.
Refactoring of addObject to parent to improve readability. Added SB error domain and specific error codes.
SK texture atlas generation script
Merge branch 'develop' of github.com:apportable/SpriteBuilder into develop-steffen
Feature working.
Refactoring: Divide and conquer, extract methods where comments were. Some renaming and removed my shortcut to open a specific project on startup.