Redone the notifications to work with the new Request model.
Note that it might be necessary to introduce a templatetag that translates a internal role_name to a real verbose name. However this will do fine for now.
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