[LIB_HUBZERO] Changed internal references to use 'self'. Makes it easier to rename class later on.
[LIB_HUBZERO] Changed internal references to use 'self'. Makes it easier to rename class later on.

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