Search for the ini file from multiple locations (use DATA_FILE_SEARCH_PATH, same as osg-build)
Search for the ini file from multiple locations (use DATA_FILE_SEARCH_PATH, same as osg-build)

git-svn-id: 6d1b46c041cf784508d9db3b93f2383b1ced8dff@21389 4e558342-562e-0410-864c-e07659590f8c

matyasselmeci/osg-build,matyasselmeci/osg-build,opensciencegrid/osg-build,opensciencegrid/osg-build