DLTP-285 Add descMetadata field for new field (dc:creator:organization) and populate on work

Include organization as qualified DC and populate in all repository models
Include organization metadata to all works and populate form field
Adding new organization partial to all view
Moving department model and related yml and spec into curate
Adding department yml to generator
Add rspec for department multi-select dropdown view
Merge pull request #75 from ndlib/DLTP-264

DLTP-285 Add descMetadata field for new field and populate on work