Currently so-openstack-adapter configuration file contains hardcoded v2.0
Keystone endpoint. This fix allows for defining Keystone api version via
values/override file
Change-Id: Ib81c2888784d3d41c1ac2464c122a426743023dd
Issue-ID: OOM-2866 Signed-off-by: Marcin Wilk <m.wilk@samsung.com>