Make shorewall accept incoming traffic for obfsproxy server
Add data directory to save scramblesuit's state.

Also clean up a little the obfsproxy puppet class, create appropriate
directories, restrict permissions.
Reflect change in leap_cli, use rand_range macro
Move obfsproxy_daemon to obfsproxy_init
Change exit status code if config file is missing
Remove commented lines from init script status section
Remove commented lines from obfsproxy puppet module class
Line up equal signs, change double to single quotes
Pick gateway address either from self or another openvpn node