Update NewtonScene.m

Fixing typo in comment in onEnter
[Pr -> Per]
Update HelloWorldScene.m

Fixing typo in comment in onEnter
[Pr -> Per]
Fix and unit tests for CCPhysicsBody.allowsRotation
Merge pull request #6 from cocos2d/develop-v3

Fix and unit tests for CCPhysicsBody.allowsRotation
mixup NSColor returned from cocos2d for Mac.
Update CCTiledMap.m

typo fix
Fixed issue #536

getChildByName now does not check if the CCNode itself has the name we're looking for.
Update CCTransition.h

Splitting out documentation for incomingDownScale and incomingSceneAnimated so that they wont get lost when the documentation files are generated.
CCLayout contentSize now immediately reflects changes to layout
Merge branch 'develop-v3' of https://github.com/cocos2d/cocos2d-iphone into develop-v3
Additional layout tests
Fixed some missing extern declarations
Changed layout test to include buttons
Cascade for colour and opacity now cascades all children, regardless of their cascade settings
Merge branch 'develop-v3' of https://github.com/apportable/cocos2d-iphone into develop-v3
Merge pull request #537 from tanis2000/develop-v3

Fixed issue #536
Merge pull request #520 from richardgroves/develop-v3

Fixing a typo in comments in onEnter in two Scene files in the new project template
Merge pull request #524 from kokeszko/patch-1

Update CCTiledMap.m
Additional setup for setupCocos2dWithOptions