changed default language in form to English
removed some dead code
added redirect so the contribute button goes straight to a new individual dataset upload
Merge pull request #347 from ngds/defaultlang

changed default language in form to English
Merge pull request #350 from ngds/removebulkupload

added redirect for contribute button
working my way through callback hell...
change js ui to accept tier2 content models
backend validation for tier2 content model
changed helper function to pass tier2 content model
Merge branch 'master' into contribute_form
Merge pull request #351 from ngds/contribute_form

Contribute form
Merge branch 'master' into malformed_csv