fixed mem alloc bug in CCFileUtilsIOS.mm & CCFileUtilsMAC.mm
support static value of c++ class
Merge pull request #380 from SunLightJuly/fix_tolua

support static value of c++ class
Merge pull request #378 from SunLightJuly/fix_bug

fixed mem alloc bug in CCFileUtilsIOS.mm & CCFileUtilsMAC.mm