adds event_id to rider, adds methods using the event_id to make our lives easier
tests changes made to rider schema
fixes merge conflict with changes to rider tests after geolocation
adds test for a required event_id
request a ride page loads properly
can request a ride for an event
adds event_id to rider creations in riders.js
adds a players needing ride scope and test for rider
event show page has a list of riders who need rides
driver can confirm a rider who requested a ride on his carpool
google routing for carpools is in, as well as a couple bug fixes here and there
added directions to the carpool page
merged upstream
Merge pull request #55 from AEgan/egan-dev

adds event_id to rider schema
merging event_id part
you can give a ride to a player needing a ride
adds some comments to riders controller and tests the method I added to the rider schema
Merge pull request #56 from loganwatanabe/master

Google Maps on carpool, and routing and directions
trying to get google's keys working
Merge pull request #57 from loganwatanabe/master

trying to get google's keys working