Updated .gitignore
Added Carousel in Community Feed
Added collapsible elements in groupFeed and efforts
- Tapping/clicking <hr> will toggle which element is visible
Added Angular-UI Bootstrap Modal Popup
-Basic modal to add groups - to be expanded for all aspects with DB callback
Merge branch 'development' of https://github.com/DataAnalyticsinStudentHands/VolunteerManagementApp into design