Only signal znc process if process is running.

This prevents a failure where on initial converge, the
execute[force-save-znc-config] resource fails (service is not yet
running).
support debian
add dependency
Add support for ufw
hack in support for encrypted data bags
Merge branch 'support_debian' into custom
Merge branch 'add_firewall' into custom
Merge branch 'data_bag_hack' into custom

Conflicts:
	recipes/default.rb