Commenting + group creation (+1 squashed commit)
Squashed commits:
[57748bd] Added command to migrate user accounts from Sentry.
Merge pull request #257 from t3rminalVel0city/user-migrate

Added command to migrate user accounts from Sentry.
Fix syntax problem
Fix a case where a user with no permissions will cuase the isSuperUser() check to fail
Start the upgrade specifics for 0.12.0
Fix migration to actually be unique.

This sadly does not fix it for people that have already run it
Add details about fixing the SeAT settings table
Fix the parsing of old Sentry permissions
Add information about the groupsync post updrage