fixed the bug about startdates not being inserted into the CRM
fixed a unit test
added a better way to interact with the CRM
re-added crm_connection for better CRMing
beginning support for reference field in enrollment page
change type to Type in Contact
changed edmanager position to mentor manager
Merge branch 'mentor-manager'
Change ed manager to mentor manager
added support for new dropdown in enrollment form, and corresponding crm activity
changed unit test to find potential by id, which is cheaper
changed test name to reflect change in function name
improved crm tracking of lead source at enrollment
strict improvement to the api; added a function to update potentials
added crm functionality to tf_utils
added full support for the How Did You Hear About Us field in the enrollment form
Merge branch 'master' into self-serve-signup

for the release of the 'how did you hear about us' field in the enrollment form.
fixed a unit test
structure for refer app and images
built out the referrals app and adde d to webstart, and minor testing changes
minor bug fixes on refer and register, analytics-related