added libdbus for Debian 7
fixed vagrant basebox export
undo gitignore of Vagrantfile.erb in templates directory
no need for virtualbox in vagrant.sh
Updated dead link to ruby-vnc keys.yaml.
CLI: Make debug a class option (code deduplication)
Merge pull request #556 from Drachenfels-GmbH/master

minor cleanups and code deduplication
Merge remote-tracking branch 'upstream/master'