Run edit-specific code on edit action only.
Add map to trip show action.
Style html and body in custom.scss.
Pass coordinates from controller to javascript code.

Make coffeescript code abide by coding standards.
Show route from origin to destination.
Update gems (Rails SQL vulnerability fix).
Show waypoints.

In case bicycle is selected try and show a bicycle route. If that fails
fallback to car route.
Merge branch 'trip-map'