it caused No handlers could be found for logger "tackerclient.shell"
This reverts commit af2f0f031f12ebdbfe17f2abddc1794d1396fb8c.
Change-Id: I8556dbf7ea45a268daa900e00c5334f11cd106d0
tackerclient is currently using python logging module to
implement logging functionality.
This patch made a switch to oslo.log(logging for openstack projects)
Reference:-
http://docs.openstack.org/developer/oslo.log
Change-Id: Iecab180e605c788bb820c7a628781abf9a4918ea
Closes-Bug: #1656167