minor change to Ride table
Added external libraries
Added a duration and distane field to Rides
Fixed geocoding to try multiple times.

For some reason it fails about half the time so now it is running 5
times and if any succeed it will work.
Now stores and displays trip distance and duration
updated gitignore. fixed venmo support and venmo payment. added venmo login/logout
Merge branch 'venmo-fix' of https://github.com/Nicholasjoseph1994/College-Carpool into venmo-fix