Search importing.
Merge branch 'master' into search
Removed tire async gem. Added manual tire async callbacks.
Removed unused config.
Added search mapping. Switched to after commit to make sure the record exists.
Added search route. Added is:unread/read/starred support. Added search form.
Dropdown tweaks. Added form options.
Don't return values from event listeners.
Updated notification style. Search error handling.
No return value.
Removed unused facet. Turned off search for non-admins.