Enhancement: node["vagrant"]["combined"]

 * maps documents differnt
 * change: always set domain variable (prod, stand-alone vagrant, combined)
Bugfix: use each_key and get the value manually

 * fixes that we override/change the hash
 * I also have no idea what I'm doing.
Bugfix: load kitchen only when a yml is present
Enhancement: avahi-aliases

 * new recipe to add more .local aliases
Change: --force-reinstall
Refactor: move paths into node attributes
Enhancement: remove debug statement
Bugfix: FC019
Bugfix: FC019
Merge pull request #84 from till/topics/gocourse-vagrant

Topics/gocourse vagrant