- move EnumsHelper into YYCC because it is widely used.
- rename all calling to EnumsHelper due to this modification.
- add version checker in code to make sure that user use correct YYCC library to compile.
- modify some include syntax because the include directory layout changes of YYCC.
- update CMake script to resolve the bug that we can not export LibCmo (thanks doyaGu and BLumia).
- restore some CKGlobals behavior because it will cause runtime exception.
- move some classes from CmdHelper to UnvirtContext to make CmdHelper more common to use.
- output warning string when fail to get utf8 or ordinary string.
- add documentation for CKGlobals, VxMath (partly)
- Fix build issue in CKDefines, CKGlobals, VxMath.
- Bring libcmo exception in CKGlobals and VxMath for some illegal input.
