All contributions to this charm where made under Canonical
copyright; switch to Apache-2.0 license as agreed so we
can move forward with official project status.
In order to make this change, this commit also drops the
inclusion of upstart configurations for very early versions
of Ceph (argonaut), as they are no longer required.
Change-Id: I5e5db16b6f04ee8282275e9fa63a8d864c5b51ec
James Page