[INTERNAL] add util package

Change-Id: If7281873a3a8d0ad1688e916f1d6d96b2ec507c2
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1688
Tested-by: Jenkins CI
Reviewed-by: Arndt Lasarzik <alasarzik@gmail.com>
Reviewed-by: Franz Zieris <zieris@inf.fu-berlin.de>