WHISTLE-1885: create a concept of couch connection and connections, bootstrap the connections (blocking to connected), update log lines to be consistent, remove whapps_config couch_ready concept (whapps dont start until couch is connected now), and update all instances of couch_mgr functions that moved
WHISTLE-1885: finish update to compactor, remove couch_config, finish revamp of change handlers, and complete bootstrap
Merge branch 'WHISTLE-1885'