adds content to db:seed file for users
adds the event_suggestion model
creates a controller for event suggestion model
adds an invitation model as the join model between event suggestion and user and includes HMT associations
Merge branch 'master' into stef
Merge branch 'event_suggestion_model' into stef
adds event suggestions to routes file
Adds Event model and association to EventSuggestion.
Adds working association between Event and EventSuggestion. Adds day_name method for Event to return day of week.