[PURR][#353][PLG_PROJECTS_FIILES] fix to php notice for untracked files
[PURR][#353][PLG_PROJECTS_FIILES] fix to php notice for untracked files

anthonyfuentes/hubzero-cms,anthonyfuentes/hubzero-cms,zweidner/hubzero-cms,anthonyfuentes/hubzero-cms,anthonyfuentes/hubzero-cms,zooley/hubzero-cms,zooley/hubzero-cms,zooley/hubzero-cms,zooley/hubzero-cms,zweidner/hubzero-cms,zweidner/hubzero-cms,zweidner/hubzero-cms