add WebP support
fix some issues
fix for mac
fix for win32
update libwebp to 2.1
add support RGB888, RGB565,RGBA4444
fix some issues
remove RGB565 support
Added rotationIsDir to Particle System. It sets the rotation of each particle to its direction
Added test for rotation is dir in particle system
Fixed syntax, integrated lines.png and lines.plist
Initial Import of tinyxml2 to replace libxml2
added ccuserdefault tinyxml2 ver
final fix.. tested
Added TMX polygon parsing.
Update extensions/GUI/CCControlExtension/CCControlSwitch.cpp

implement setOn(isOn,false)
issue #1687: Refactoring CCFileUtils, abstracting the same implementations for all platforms.
issue #1687: [Marmalade] If the font name wasn't end with `.ttf`, skip making a full path.
issue #1687: Comments some logs output for CCFileUtils.
issue #1687: Updating comments for CCFileUtils.
Merge pull request #1939 from xyhl515/master

fixed #1691: CCControlSwitch::setOn(isOn,false) doesn't work.