created implacted_services bb model
created events bb model -- renamed bb model to dssevent because event is already used in bb
added impacted_services to the new message template
added impacted_services to the edit and show message templates
added events to the new message template
renamed dssevent_ids to evetn_ids on the model JSON
added events to the edit and show message templates
renamed Event rails model to MessengerEvent
fixed messenger_evets route
renamed bb model dssevent to messenger_event to match the rails model
modfied message bb forms to match the new messenger_event variable name
fixes #1
fixed error (Can't mass-assign recipients) when selecting a recipient and saving in 'edit' form
modified messages json to include foreign keys: recipients, impacted_services, and messenger_events
the show message template now shows the values of sub-models
added Settings icon
changed recipients to checkboxes in the edit view, and they reflect the selection in the data
changed recipients to checkboxes in the new view
changed impacted_serves and messenger_events to checkboxes in both edit and new forms
compacted the logic to check boxes