Compute the timestamp for the selected point
Compute the timestamp for the selected point

- If the user only passed by that point once, use the timestamp of the closest
  point to determine the timestamp
- If the user passed by that point multiple times, bin the timestamps and allow
  the user to choose between them to determine the timestamp (untested)

e-mission/e-mission-phone,shankari/e-mission-phone,e-mission/e-mission-phone,shankari/e-mission-phone,e-mission/e-mission-phone,shankari/e-mission-phone,shankari/e-mission-phone,e-mission/e-mission-phone