Adding I18N for facet labels so we do not get "Filter my Shareds"
Merge pull request #686 from psu-stewardship/facet_eds

Removing ed from facet label so we do not get 'Filter my Shareds' instea...
Switched plain text +/- buttons with glyphicons plus/remove. Removed word 'add' from some of the buttons so that they all look the same