Removed unused sass-rails and coffee-rails gems
Added name sequencing to factories for volunteer opportunities
Added specs for volunteer opportunities index action
Added logic to volunteer opportunities controller to exclude volunteer opportunities for events that are complete
Added volunteer opportunity specs
Added tests to add featured volunteer opportunities
Added is_featured to volunteer opportunities model
Added featured volunteer opportunity to index view
Added markup to set up volunteer opportunities section in event form
Fixed indentation on source code
Added check is_featured step
Added content and styling to event form
Added styling to public index page