Completed upgrade of search add-on for use with new OSS version and desired features.

Completed upgrade of search add-on for use with new OSS version and desired features.

Added search engine test when submitting General Search Settings page in Management.
Updated glmSearch.php to do indexing and removal of URLS imediately.
Added hooks (filters) for other add-ons to request a page be updated by OSS.
Added management options for selectable searcxh filters and server URL in Management.
Added search filter (from management) selection in search results page.
Added database fields and updated db version.
Started migrating plugin names to GLM Associated.