move zoom controls
view and controller logic for saving paths to a trip
service to call the backend to save a trip
api to save trip name to paths
add the trip to the trips collection
hook save trip method up to api
simplify sinon matching for better code and test failure messages
convert IDs passed in to mongodb object IDs
change the name of path field where trip is stored
use update not findAndModify to change multiple documents
log number of paths updated