New management command to report bad slugs
Create new shell script to run management commands
Replace existing single purpose scripts with the new 'run_management_command' one
Run the slug checker daily to catch bad slugs
Correct path to the sample South Africa Popolo data
Ensure that the values stored to slug fields are all slugified
Add --correct flag to autocorrect the bad slugs
Merge branch 'issues/760-correct-bad-slugs'