made search result metadata not use headers
removing icons in screen reader since they disable finding links by text if they are included and do not add to the sr user expericence
Merge pull request #645 from psu-stewardship/rm_sr_icons

removing icons in screen reader since they disable finding links by text...
Adding check for collection so they display nicely in the gallery, instead of looking like a default document
Merge pull request #644 from bmaddy/search-result-headers

made search result metadata not use headers
Merge pull request #634 from psu-stewardship/col_gal_thumb

Adding check for collection so they display nicely in the gallery, inste...
Using breadcrumbs_on_rails
Merge pull request #648 from projecthydra/breadcrumbs_on_rails

Using breadcrumbs_on_rails
Adds labels and ARIA hints for screen-readers