DRY asset uploading into a shared partial
Add metadata fields to asset uploads
use asset metadata branch of odi content models gem
Update tests for changes to authorship assignment

All users need names, and PersonEdition objects are automatically created, so need to be accounted for in tests.
Convert spatial and subject fields for editing
Fix lat/lng inversion
Use our own branch of gds-api-adapters

and update odi_content_models
Handle empty subjects
Get license lists from Odlifier
Merge pull request #16 from theodi/feature-64-asset-metadata

Asset metadata