Debug enhanse and spelling fixing

1.fix "versionLable" form
"VersionLable"(\NetRoomCoreLibrary\src\com\kingda\netRoom\module\core\ModuleInfo.as)
2.add a methon for modules to get the currect version of the core
library(\NetRoomCoreLibrary\src\com\kingda\netRoom\managers\MainModuleManager.as)