Modifed controllers:

- Removed map creation from user on create
- Removed location pin and geolocation from trip creation
- Modifed CSRF protection from existing on JSON requests
Made trip creationg based off current user
Remove map dependency from user model
Change so ajax request no longer creates marker

- Deleted unused js file
Merge pull request #76 from nealfennimore/chores/controllers

Chores/controllers
Merge pull request #77 from nealfennimore/chore/user_model

Remove map dependency from user model
Merge pull request #78 from nealfennimore/chore/javascripts

Change so ajax request no longer creates marker