Bring back checks for GroupConfiguration ID being numeric, since now they are (again).
More Intness.
Add verify_groups check to GroupConfigurationsTest.test_use_group_configuration.
BLD-1186: Edit group configurations.
Fix tests.
Refactor group configurations.
Change Doc Domain for Testing - Not to Merge

Must reverse this change before merging to master. For testing only
Add Token for Help Link to docs/config.ini
Added group configuration template help text

Added text and learn more link to the group_configurations.html
template.
Modified help URL for group config page
Fix naming and some refactor.
Clean up the code.
Fix UI.
Clean up UI.
Remove unused bind.
Fix tests.