Updated openstack/openstack
Project: openstack-dev/devstack  c6d96fa296e7a85c298df202e5ffd745b62a5365
null
Qemu emulator requires at least 128MB of memory to boot on ppc64

The default nano and micro flavors need more memory to boot on
ppc64. New flavors are 128MB and 256MB, respectively.
Trailing spaces removed, again.

Change-Id: Ic6740bda959754380982e67f753876dc6d984685