[NANOHUB][#265634][COM_USERS] fix custom footer content to reference com_users, rather than com_user if applicable
[NANOHUB][#265634][COM_USERS] fix custom footer content to reference com_users, rather than com_user if applicable

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