Update NewtonScene.m

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

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