SearchController: Add caching to Contacts.
SearchController: Add caching to Contacts.

mdittmer/foam,jacksonic/foam,jlhughes/foam,foam-framework/foam,foam-framework/foam,jacksonic/foam,jlhughes/foam,osric-the-knight/foam,osric-the-knight/foam,foam-framework/foam,mdittmer/foam,mdittmer/foam,jlhughes/foam,jacksonic/foam,jlhughes/foam,jacksonic/foam,mdittmer/foam,foam-framework/foam,osric-the-knight/foam,osric-the-knight/foam,foam-framework/foam