This disables 12 more generally Mostly Harmless warnings to have a
realistic chance to get down to a base line of zero violations.
Later we can re-evaluate the disabled rules one by one and re-enable
them if wanted.
Change-Id: Id9fc2e4013fb7c59040868fea54f14dcda6cefe0
Reviewed-by: Matti Paaso <matti.paaso@qt.io>
740e232f16