Add Font Awesome dependency.
Add #on_reserve? boolean to Holdings::Callnumber.
Add #status to Holdings::Callnumber along with classes for different circulation status.
Add availability/location data to record view.
Merge pull request #314 from sul-dlss/record-availability

Add availability to the record view
Add view type list dropdown and 'brief' view, fixes for filmstrip and Google book cover display in preview