allowing staff to read detail in StaffAuthorization via tastypie
adding unit test to test_api that tests submitting a trip
changing TripReportResource to User Authorization (fixing an issue resulting from earlier commit that prevented non-staff users from loading survey)
changing api.py once again…this time adjusting authorization and authentication for Survey related classes to DjangoAuthorization
changing and unchanging some verifications in tripSummary (reasons for verifications might be fixed now)