change button text for enroll to match FEWD syllabus overview
when sent in via the URL, we now track conversion from the previous page in the register app; remove old code for PythonSyllabusController; clean up analytics naming scheme
handle optional data-location to indicate from what page the form was submitted
remove unused data-location from email submission form
fix race condition in homepage and all landing page email signup submissions that broke tracking for conversion events in GoogleAnalytics and Kissmetrics. These conversion events are now tracked on the destination pages for these forms.
remove pando announcement