Add Student model. Add Devise
Add token_authenticate code from gist
Add API controller
Add student controller
Merge remote-tracking branch 'upstream/master' into student-model
add index and show in students controller
Add base api for student model
Merge pull request #4 from ernbrn/sessions-controller

Student Controller
Put Gemfile in alphabetical order
Switch API to RABL. Tests failing because of switch
Merge remote-tracking branch 'upstream/switch-to-rabl' into switch-to-rabl
commented out tests for now
Merge pull request #5 from ernbrn/switch-to-rabl

Added RABL
Add Semester model
Add index and show controllers
Add semester API
Added year to Semester
Add association between student and semster. Test associaion.
Merge pull request #6 from ernbrn/add-other-models

Add other models
Add welcome controller and index view