Miscellaneous doc fixes -- Part III

operations
- troubleshoot/9105-crm-resources -- edited for style and added some
  xrefs plus a tag so the terminology article can reference it.
- troubleshooting/9110-verify-neutron-ha-crm -- edited for style
  and added a tag
- deleted troubleshooting-9800-verify-neutron...  -- it duplicates
  the 9110-verify-neutron section
- troubleshoot/9170-rabbitmq -- added tag

pre-install
- 0010-prerequisites/0600-network-hardware-sizing -- added tag

terminology
- CRM -- added links to other docs
- Hypervisor -- added link to the Hypervisor screen in user-guide
- KVM -- link to "Hypervisor" and User Guide section
- networking -- fixed links to other docs to reflect new organization and to
  use the :ref: syntax
- Neutron -- added link to doc about using CRM to troubleshoot the HA cluster
- RabbitMQ -- new article (stub)

user-guide
- 1500-confirm-hardware -- rewrote intro sentence to match the placement
  of this table.
- 2000-deploy-new-environment
  - Made "Deploy" a top-level header
  - Added include lines to the stop/deploy and reset-environment pieces
    here; these will be subsections to Deploy
- stop_reset.rst deleted -- it had include lines for stop_reset files
  that are now included under "Deploy"
- stop_reset/0100-stop-deploy-header deleted

Change-Id: I781aacaa97d3616711645e450cdb80ea993bca2d