Document service layout for consoles with cells
Document service layout for consoles with cells

This adds information about where the consoleauth service and console
proxies should run with multiple cells in Cells v2.

Change-Id: Ib817581dfe0c32d3888c242166e3daa7b954320a

openstack/nova,mikalstill/nova,gooddata/openstack-nova,gooddata/openstack-nova,vmturbo/nova,mahak/nova,rahulunair/nova,rahulunair/nova,gooddata/openstack-nova,rahulunair/nova,vmturbo/nova,mikalstill/nova,mahak/nova,openstack/nova,klmitch/nova,klmitch/nova,openstack/nova,gooddata/openstack-nova,jianghuaw/nova,mahak/nova,jianghuaw/nova,klmitch/nova,jianghuaw/nova,phenoxim/nova,vmturbo/nova,vmturbo/nova,mikalstill/nova,jianghuaw/nova,klmitch/nova,phenoxim/nova