Adds basic Venue model.
Adds EventVenue join model and HMT association between Venue and EventSuggestion.
Adds all associated Venues to EventSuggestion show page.
Adds fix to EventChoice form to include button in table.
Adds Bootstrap to Add Venue form.
Resolves merge conflicts.
Adds Venue create functionality form front end to database.
Adds EventVenue assciation creation on Add Venue form. All associated venues displaying to show page. Delete function WIP.
Resolves merge conflicts.