Added font-awesome fonts.
Added font-awesome icons for each oep category.
Merge branch 'font-awesome icons for categories'
Icons now appear in results.
Fixed icons to appear below result's schedule.
Changed icon colors.
Merge branch 'branch' of https://github.com/wakati/benefisher into Feature_Icons
Style service category icons
Update location category icon and tooltip styles
Refactor server Search Controller
Support new server-side search API in client-side Search Service
Fix compilation of categories for search in client-side Search Controller
Update Search tests

Closes #71