Fix bug with completed info not loading for already signed in users

Test Plan:
- Login, view video with completed points. Make sure completed points
  show.
- Reload, app without re-signing in. Make sure completed points are still present.
Update jquery to 2.* series

Test Plan:
- None
Add better flowing points animation as you watch videos

Test Plan:
- Watch video until the end, make sure it ends at 750.
- Pause video, make sure points stop increasing.
- Watch points increasing, make sure it always increases