This appears to have been included with the origin commit that
introduced the sysadmin page [1].
It doesn't appear to have been ever used and, more importantly,
the view isn't passing it in the context to the template,
so it should be good to go.
- [1] ccc87337d6
For seeing overview of system status, for deleting and loading
courses, for seeing log of git imports of courseware. Includes command
for importing course XML from git repositories.
Added a lot of tests for additional coverage with some minor fixes
those tests discovered
