- added code generation for firewall scripts
- added delete for user rule to rulemanager
- modified firewall.sh.template to actual work (locked machine to all
  connections!)
	geändert:       firewallwindow.cpp
	geändert:       fortressgenerator.cpp
	geändert:       fortressgenerator.h
	geändert:       rulesmanager.cpp
	geändert:       rulesmanager.h
	geändert:       templates/firewall.sh.template
Merge branch 'master' of https://github.com/ipv6Watch/fortress