Remove all methods from application controller

- get_ip
- re-enable protect_from_forgery
Create favorites controller

- Function as primary controller for one-page app
- Index, create, destroy methods only
Add sessions controller

- Responsible for authenticating user
- Setting session for visitor and attaching to favorites
Change data type of ticket_url to string
Merge pull request #121 from spring-peepers-2014/Events

Change data type of ticket_url to string
Move read and reply SMS functions to Messages Controller
- Remove them from Application Helper file
Merge pull request #122 from spring-peepers-2014/MessagesController

Move read and reply SMS functions to Messages Controller
rebuild seed file for new schema
Merge pull request #123 from spring-peepers-2014/justin/seeding

rebuild seed file for new schema
Add tickets_left column to Events table
Fetch all events method will now insert tickets left into DB
fix notification type, adjust seed
Merge pull request #124 from spring-peepers-2014/justin/seeding

fix notification type, adjust seed
Merge pull request #125 from spring-peepers-2014/Tickets_Left

Add tickets_left to Events table
update test to reflect :type - :notification_type renaming
Merge pull request #126 from spring-peepers-2014/justin/seeding

update test to reflect :type - :notification_type renaming
Add sessions controller to login/logout registered users
Remove user authentication from users model.

- Re-enable protect_from_forgery
Refactor routes

index view is now favorites#index
- favorites
- sessions
- users
- messages
Add method to query SeatGeek and update our tickets_left for each event