Karma goal tracking support.

- goal tracking backend support
  - interval event search support
  - default karma goal for all users is 1 hour
- goal tracking UI support - phase 1
  - worked around ui bootstrap progress bar bug
  - including moment.min.js for date manipulation
- add more events during test event bootstrap for goal tracking testing
- test events now have realistic times
- ui style changes part 1
  - moving to a card based layout. Something like http://bootply.com/render/90113