Added control fields to group_app.
Moved unnecessary fields containing questions about past participation from group_app to org_app.
Updated the club_app public page to show the correct information using twoline layout.
Patch by: Lennard de Rijk
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