Most of librairies available under openstack/common folder are
now deployed by using oslo dedicated package. So we can remove
them and point to new python package.
Moreover, According to the November agreement in Oslo team,
apiclient and clituils will be removed from Oslo incubator.
We should keep the local copy by ourselfs
Change-Id: I3abc09d1c512df1f5cb868ed462a7900260705ce
Implements: blueprint make-watcherclient-use-graduated-oslo-lib
