* move database settings from models to setting

* update docs

* fix checkout pr

* fix tests

* fix lint

* remove unsupported tidb options

* correct wrong variable name

* remove tidb totally

* add util method and tests

* make sure the title of an issue cannot be empty

* wiki title cannot be empty

* pull request title cannot be empty

* update to make use of the new util methof

* General refactor of the cmd package

* Address breakage in runCreateUser

* Place "common" functions into cmd.go

Signed-off-by: Matthias Loibl <mail@matthiasloibl.com>