Set agrees_to_tos example text to link to site-wide ToS (or a warning message).
Also, since a renaming import statement is being used already, change
user_logic.logic to just user_logic.
Patch by: Todd Larsen
Review 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