add CCFileUtils Lua support
Don't call release() if initWith* fails
Return false instead of NULL
Merge pull request #1957 from thomaslee/initwithimage-without-release

Don't call release() if CCTexture2D::initWith* fails
Merge pull request #1953 from dualface/add_CCFileUtils_Lua_support

issue #1687: Adding CCFileUtils Lua support. Adding CCFileUtils::addSearchPath, addSearchResolutionsOrder.
Merge https://github.com/cocos2d/cocos2d-x into tinyxml
issue #1703:add tinyxml2 in makefile