add nexus has role find script

git-svn-id: https://svn/IT/az/groovy@23678 99cadc30-3bf9-11df-9bc1-510916f65ae8
use findAll instead if

git-svn-id: https://svn/IT/az/groovy@23679 99cadc30-3bf9-11df-9bc1-510916f65ae8
Merge remote-tracking branch 'remotes/git-svn'