Metadata Editor updates
Fixed POST bug content type bug.
Added CSS to metadata table.

Signed-off-by: shanesuofi <shanes@vandals.uidaho.edu>
Documents Metadata Updates
Added "rails_autolink" gem that allows URLs and emails in a view to
become clickble links. Only being used in metadata and notes for now.

Signed-off-by: shanesuofi <shanes@vandals.uidaho.edu>