Filter network by project id

Need filter the networks by project id when show the networks with
normal user

Fix bug 1186867

Change-Id: I10b5880070a569614f54fa7dbcf08e548bcbc924
(cherry picked from commit 2a7f08ae4abca51dc60a02deee06a108ad1c4dcc)
implemented qos in db
Fix conflict in nova/api/openstack/compute/contrib/hypervisors