[HABRI][#414][COM_TAGS] Added caching to tag clounds on main page. Helps with sites that have thousands of tags.
[HABRI][#414][COM_TAGS] Added caching to tag clounds on main page. Helps with sites that have thousands of tags.

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