Add further openSUSE information Install Guide

This adds further openSUSE specific information.

Change-Id: I3a96ce3965443c73636ff2ba124dfbf51d17af6b
Removes openstack-object-storage-admin directory, moving content.

Moves config info to Config Ref
Moves Admin CLI task to Admin User Guide
Moves CLI tasks to User Guide
Moves Monitoring section to Cloud Admin Guide
Removes anything that was a copy/paste from dev docs completely, refers
to developer docs instead

Change-Id: If201d68c1e72a24c57a61775bc22d1784beea324
Closes-bug: 1216037
Merge "Add further openSUSE information Install Guide"