Doc about deleting a domain specific backend domain

Change-Id: I28b0ebf9d8c002097e2d694c863f07b7739de0e9
Closes-Bug: 1385405
Change ca to uppercase in keystone.conf

Change-Id: I1dfabddee087cf2052f2595b30bc69ad995f1220
Merge "Change ca to uppercase in keystone.conf"
Merge "Doc about deleting a domain specific backend domain"