[LIB_JOOMLA] Slight change to help button to auto-build URL if just a page name is passed.
[LIB_JOOMLA] Slight change to help button to auto-build URL if just a page name is passed.

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