Improved the response time of search. Revised global search to temporarily only search email username and name to reduce load on the database. We'll bring the ability to search all fields back in the near future (hopefully a couple of weeks) after we figure out the best way to prevent overload on the database.

git-svn-id: https://plugins.svn.wordpress.org/crm-by-tpc/trunk@964018 b8457f37-d9ea-0310-8a92-e5e31aec5664