Merge branch 'stable-2.13' into stable-2.14

Merge branch 'stable-2.13' into stable-2.14

* stable-2.13
  Properly get rid of all watcher jobs
  Move stdout_of to qa_utils

* stable-2.12
  Tell git to ignore tools/ssl-update
  Use 'exclude_daemons' option for master only
  Disable superfluous restarting of daemons
  Add tests exercising the "crashed" state handling
  Add proper handling of the "crashed" Xen state

* stable-2.11
  Fix capitalization of TestCase
  Trigger renew-crypto on downgrade to 2.11

Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Petr Pudlak <pudlak@google.com>