Updated openstack/openstack
Project: openstack-dev/devstack  ce31a49d89cf8c114b7c1414672d6646785ed886
null
Fix Swift process kill

stop_swift() was not killing all swift processes properly.  Change to
manually clean up all screen services with pkill.

Closes-bug: 1268794
Change-Id: Ibb7a2e0dd10a313609f05963264087f82f6f00e2