in an effort to start consuming keystoneauth1, we can move our
sesssion and fixture code over to use keystoneauth1 instead of
keystoneclient.
Change-Id: Ibcbd588ce2e3d864f87ff1eb6e1c3c071a1e06f6
image list for v1 and v2:
* Add --public|--private to command parsers
* Implement local public/private filtering for v1 image_list()
* Pass public/private filter to server for v2 image_list()
Change-Id: Ie7c24ea2d1bf2b3b1b7fa342eb45fee45894634d