Trip Bundle setup
Created BioTripBundle, setup controller, assetic, and sidebar.
Trip Entity Setup
Created a trip entity and ability to create/display them
Edit Trips
Added route to edit individual trips, also fixed bug with info bundle where it did not handle the titles very well
Delete Trip
Added ability to delete trip, created view for editing trip and made links to both tools from the manage trips page
Public routes
Stash
Delete Manager, basic student registration

For some reason the delete student route did not commit properly and
was lost, fixed that. Added ability for students to sign in and sign up
for a field trip.
Finished Admin portion
Better Trip Browsing
View Trip, Better Browsing

Wrote code to view trip info. Made browsing display more information.
Leave Trip

Added route to leave a trip.
Error handling

Added some error handling for edge cases. Fixed bug where you could
attempt to join a field trip if you were already signed up for one.
Trip Max Limit and Logout

Made it so the field trip limit is actually enforced, and added a
logout link.
Merge pull request #16 from dmhurley/trip-bundle

Trip bundle