Lock down form fields after selecting a CV value
Rewrite ingest form coffeescript

- Splits up CS into more manageable chunks
- Fixes way-out-of-date comment in CS
Lock down selected CV fields on form load
Pull typeahead testing into a function
Test controlled vocab lockdown
Merge pull request #136 from OregonDigital/feature/ingest-form-lockdown-cv

Feature/ingest form lockdown cv