Rename enum
Clean APIs
working highlighting
refactor to support two body system.
bug fixes for two bodies joints.
spring node rendering.
refining spring drawing.
joints rendering.
update spring rendering.
anchor point editing mixup.
validate before setting position.
Table resolutions working.
update Cocos2d
Merge pull request #304 from jtwigg/develop

Develop
Joints move with their parents.
Validate joints upon write.
mixup offset of outlets.
Fixing an issue with .psd files with effects in them.
Bugfix for issue #305 Crash when creating a new file(right click menu) without open project.
Added bindings to enable context menu items if projectSettings is not nil.
Merge pull request #307 from NickyWeber/bugfix/issue_305_right_click_menu_new_file

Bugfix for issue #305 Crash when creating a new file(right click menu)...
scale outlet handles.
offset outlet handles.