qmljs: moving all mime types into qmljstools

This reduces uneeded dependencies for modules that need the types
like the qbs module.

Change-Id: I59a6067a4c24a6d0401bf57fdfa8f5dc1f03595c
Reviewed-by: Kai Koehne <kai.koehne@digia.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>