Add context services to abstract event creation
- Add Events::Creator
Refactor: Events::Creator service to remove coupling from Rails
- Add Events::Creator spec
Refactor code to follow houndci coding guidelines
Refactor: Events::Creator to new service convention EventCreatorService
Refactor: EventCreatorService on_success and on_failure callbacks to be named success and failure
- Extract EventsController#normalization_event_dates for events_params
- Start using #blank? for EventDate, StartTime, EndTime to handle nil
exceptions
Remove trailing white spaces and large lines
Merge pull request #390 from cored/refactor-events-controller

WIP: Refactor events controller