Make "Mark as Ineligible" reversable and make this feature available for mentors too. Now also with every click on "Mark as Ineligible" or "Mark as Eligible" button a private comment is posted with message "Marked Student Proposal as Ineligible/Eligible" which will help keep track of the changes made by mentors/org admins. Patch by: Pawel Solyga Reviewed by: to-be-reviewed

Coverage: code coverage testing for Python

Coverage.py is a Python module that measures code coverage during test execution.
It uses the code analysis tools and tracing hooks provided in the Python standard
library to determine which lines are executable, and which have been executed.

For more information, see http://nedbatchelder.com/code/modules/coverage.html