Add support for the uscms and hcc repos in osg-promote.

Author:    Brian Bockelman <bbockelm@cse.unl.edu>

git-svn-id: file:///p/vdt/workspace/svn/software/osg-build/trunk@17379 4e558342-562e-0410-864c-e07659590f8c
Fix regex for release-style tags.

Author:    Brian Bockelman <bbockelm@cse.unl.edu>

git-svn-id: file:///p/vdt/workspace/svn/software/osg-build/trunk@17380 4e558342-562e-0410-864c-e07659590f8c