[PLG_SEARCH_COLLECTIONS] Adds support for solr indexing.
[PLG_SEARCH_COLLECTIONS] Adds support for solr indexing.

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