added Bingbin's changes for Mod6
added Bingbin's changes for Mod6

git-svn-id: 77c920c79deb5a6ffa2df76342cc0dbd36157526@884 10acb478-4768-415a-8850-bacdb5912d4d

OpenFAST/OpenFAST,OpenFAST/OpenFAST,OpenFAST/OpenFAST