Add LRUCachingDAO Fix bug in remove notifications in array dao.
Add LRUCachingDAO
Fix bug in remove notifications in array dao.

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