needed to add b and m prefixes to offer ids for georgetown and george mason; fixes #673
Merge branch 'master' into t624-holdings-layout
broken out holdings by location on separate lines. fixes #624
fixes #668
display Audio instead of AudioObject, etc refs #624
needed to interpolate variable
slight reformatting
Merge pull request #690 from gwu-libraries/t624-holdings-layout

revised holdings layout and title/author display