Move Babel from test to runtime requirements
Move Babel from test to runtime requirements

Fixes: bug #1219191

Change-Id: Ic2c5464ff70e3ea915d263daaa1113b054770151

openstack/sahara-tests,esikachev/sahara-tests,esikachev/sahara-tests,openstack/sahara-scenario,esikachev/sahara-tests,openstack/sahara-scenario,openstack/sahara-tests,openstack/sahara-tests,openstack/sahara-scenario,openstack/sahara-tests