With the docs migration and re-arrangement, some docs
have been shifted to new places, however the referenced
links are still old. Some of them give 404 error or
just point to the home page. This patch fixes those URLs.
Change-Id: Ie6b18ab3d4aa346dac8436dd426277fee4f07fcd
Added keystone-manage documentation from man pages
to the placeholder created for CLI Documentation.
Change-Id: I0e259c76d96c6479a6165c535bc49c032b2f41da