Some URLs are broken, so fix them.
The other URLs are redirect to new URLs,
so replace them with new ones.
Change-Id: Ida2fd70ad0d7b029fadfe91be14d7180b9b5b8d1
Closes-Bug: #1707104
The spec [1] recommends the following sections:
- install
- contributor
- configuration
- cli
- admin
- user
- reference
Only a few of these are useful here:
- contributor
- cli
- user
- reference
Add these and populate them.
[1] specs.openstack.org/openstack/docs-specs/specs/pike/os-manuals-migration
Change-Id: I8a9ddcc915f25ebfaa1e994dba6c15883bd2715d