add all used group list

git-svn-id: https://svn/IT/az/groovy@23734 99cadc30-3bf9-11df-9bc1-510916f65ae8
add file compare

git-svn-id: https://svn/IT/az/groovy@23735 99cadc30-3bf9-11df-9bc1-510916f65ae8
Merge remote-tracking branch 'remotes/git-svn'