* Doctor: find IssueLabels without existing label * on Repo Delete: delete labels & issue_labels too * performance nits * Add Migration: Delete orphaned IssueLabels * Migration v174: use Sync2 * USE sess !!! * better func name * code format & comment * RAW SQL * Update models/migrations/v176.go * next try?
* make repo as "pending transfer" if on transfer start doer has no right to create repo in new destination * if new pending transfer ocured, create UI & Mail notifications