(#200) Add text field for comments to school model and update unit tests.

Resolves #200, Closes #210.
(#200) Update RegistrationView UI to include additional comments.

Closes #211.
Add fabric command to check migration status.

Resolves #195.
Add copyright header to fabfile/migrations.py.
(#199) Split school.delegation_size into beginner/intermediate/advanced/spanish-speaking.

Updated school model and unit tests, and generated migration.
Closes #213.
adds validation for school fields
middle of diff
middle of diff
completed validators
Completed tests and validators.
updated tests for new format.