* Possibility to not use whitelist but allow anyone with write access
* fix existing test
* rename migration function
* Try to give a better name for migration step
* Clear settings if higher level setting is not set
* Move official reviews to db instead of counting approvals each time
* migration
* fix
* fix migration
* fix migration
* Remove NOT NULL from EnableWhitelist as migration isn't possible
* Fix migration, reviews are connected to issues.
* Fix SQL query issues in GetReviewersByPullID.
* Simplify function GetReviewersByIssueID
* Handle reviewers that has been deleted
* Ensure reviews for test is in a well defined order
* Only clear and set official reviews when it is an approve or reject.
