Fix nova-compute.conf templates:

- resume_guests_state_on_host_boot:
  is present only once in conf;
  is set to True by default;
  can be configured via Salt;
  should be used on computes only

- start_guests_on_host_boot:
  cleaned from config templates, because it's removed since Grizzly

Change-Id: Icdc4c1361b0659f6ecdd8929d809d5912051a04b
11 files changed