Fixing memory leak

(CGColorRef) CGColor { CGFloat components[4] = {(CGFloat)_r, (CGFloat)_g, (CGFloat)_b, (CGFloat)_a}; return CGColorCreate(CGColorSpaceCreateDeviceRGB(), components); }
CGColorSpaceCreateDeviceRGB() returns a Core Foundation object with +1 retain count and this object is not referenced later and has a retain count of +1.
Update CCTiledMapLayer.m

Fixes possible divide by zero. If the layer has no tileset, the tex is nil and causes pixelsToPoints to be INF. This causes the contentSize to be INF, INF and prevents any further layers from being parsed.
Scrollview will stop panning if touched and won't steal touch anymore.
CCTapDownGestureRecognizer touch began phase implemented with very old iOS interface.
Merge pull request #694 from smklinger/patch-2

CCTiledMapLayer.m issues #687 & #693
Merge pull request #691 from iSevenDays/patch-1

 Fixing memory leak
Merge pull request #701 from NickyWeber/bugfix/#663_CCScrollview_steals_touch

Bugfix: CCbutton inside a CCScrollview steals touch and breaks all touch events #663
Incorrect block type in CCPhysicsNode.
Round calculated label sizes up to prevent strings with certain fonts from not rendering
Add CCPhysics+ObjectiveChipmunk.h to the appledocs blacklist.
Merge branch 'v3.0' of github:cocos2d/cocos2d-iphone into v3.0
Merging in new tilemap tests
fixed small typo in comment in default cocos2d template
Update OALTools.m

fullPathForFilename does not accept absolute paths, thus is not allowed to pass an absolute path to playBg:loop: (and others).
Isometric tilemap test. Environment variable to jump into a specific test.
updated addChild:z:name:

replaced erroneous `tag:` parameter with `name:`
updated addChild:z:name:

replaced erroneous `tag:` parameter with `name:`
[CCNode schedule:interval:] should not immediately invoke the method.
Don't invert near / far planes. Fixes #723
Redraw render texture before drawing the child sprite.
CCTextField set textfield visibility and enabled

show/hide the UITextField if it's responsible node or a related ancestor is visible/invisible

set the textfield usability along with the enabled property