spof/debian: cleanup corosync resources if not started

When bootstraping a corosync cluster, it happens that resources are in
error.
To ensure the resource is Started, we can run "crm cleanup" to ensure
that the resource is up and running.

Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>
Merge pull request #586 from enovance/bug/174/emilienm

spof/debian: cleanup corosync resources if not started