- for self paced courses, if a sequential's due date has passed
and it is incomplete, allow the user to reset the start_date
for the related schedule to now, thus shifting all due dates
for all sequentials within the course by the pre determined
due date offset.
- add historical table to the Schedule model.
Implement a course dates fragment as a web view, currently we are using
the course info page to get the course dates section by parsing the
whole html page.
LEARNER-2769
This sock sits at the bottom of both the home and the course content pages. It allows the user to click a 'Learn More' button to open a panel that allows the user to navigate to the upgrade checkout page. The sock is only shown for users that have not yet upgraded in a course that has a verification upgrade date that has not yet passed. Python tests cover the various course mode and upgrade dates.