Fix Prerun Spec.

* Gem installed is called dewiring now, not wire.
* Use working syntax for serverspec return code test.
Tune dnsmasq to be dhcp authoriative.
Merge pull request #4 from chrisN777/tune_dnsmasq

Tune dnsmasq to be dhcp authoriative.
Merge pull request #3 from chrisN777/fix_rspec_for_automated_test_case

Fix Prerun Spec.
bugfixing dhcp config, statefile for network injections
bugfixing dhcp config, statefile for network injections
fixed network short names of sample models
fixed spec command to run on serverspec2
fixed code offenses
first implementation of vlan bridges
implemented serverspec parts for vlan bridges
removed code offenses