added bootstrap glyphicon for removing slide
WIP for #25: adding delete slide capability in admin ui.
Working on controllers for delete service calls.
small bug from admin ui returning slide_id
adjusted js to send slide.id, updated controllers to read 'slide_id' in post
this closes #25.
final touches for delete slide capability in admin UI
Merge pull request #41 from drincruz/feature/delete_slide_capability

Feature/delete slide capability