use osc-lib git master branch
use osc-lib git master branch

osc-lib bug/1652025 is fixed with
https://review.openstack.org/#/c/417675/
Wihtout the fix devstack fails with router creation with
"TypeError: 'NoneType' object is not iterable".
The fix isn't published at pypi yet. Until the new version of osc-lib
(probably as 1.3), use git master branch of osc-lib.

Change-Id: I11c0a8f106c48c89ac2bb6189fee04cb7c126e01
Related-bug: #1652025

openstack/networking-odl,openstack/networking-odl,openstack/networking-odl