Created welcome controller with index and about views
Created event and venue models
Created models and joins for events, venues and categories.
Created parent relationship for subevents
Merge pull request #3 from maureena/devise

Installed devise, figaro, configured development email.
Merged master
Merged master
Merge pull request #2 from maureena/welcome-controller

Created welcome controller with index and about views
Merge pull request #1 from maureena/event-venue-model

Created event and venue models