Updated permissions for Guardian and Student field updating
Added birth country field to Student model
Cleaned up update_attributes and added second step shell
Added Hispanic flag for Student model
Added StudentRace model
Filled out Student Birth, Gender, and Ethnicity questions
Linked Student and Guardian
Fixed some issues with the Student Birth, Gender, Ethnicity form
Removed outdated comment
Fixed a few things on Student Language page
Added preliminary student address flow
Hiding hidden form fields
Added student address flow
Added guardian relationship field
Added city and state fields for contact people
Andrew's style changes
Update welcome.css to better match original'
Added alt_home_state field to Student
Added alt_home_state field to Student
Merge branch 'more-backend' of https://github.com/codeforamerica/ticket-to-ride into more-backend

* 'more-backend' of https://github.com/codeforamerica/ticket-to-ride:
  Added alt_home_state field to Student