Sign in the user, generate token, send session response
Merge pull request #290 from calblueprint/mark/api/new-users-nil-token

Sign in the user, generate token, send session response
Add SignUpFragment and layout
Add name, email, password, and confirmation text fields
Add getters and setters for the name field and password confirmation fields
Fix the password font issue
Add LoginRequest which gets a session object back
Add session model
Make the login request post to submit a login request
Pass in the correct params to the login request and use the right endpoint
Fix user model. Store session and log in the user
Add sign up request that gets back and returns a session