cocos2d/cocos2d-x — pull request #1833 by tks2shimizu (2013-01-12 04:55:56+00:00)
Title: added setStringWithFormat for CCLabelxxx.

When setting a string to CCLabelxxx, it is convenient if you can use a format.
Therefore, setStringWithFormat was added.
(The kMaxStringLen is using the same value as CCString class.)