Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Added .vagrant to ignore
  Added Vagrantfile. Now it's easier test the Punisher. Added target to ignore
remove vagrant cachier since it requires a plugin, centos6.5 image, refactor nodename (we dont use berkshelf here), add memory option for example
Merge pull request #2 from n1koo/master

Vagrantfile refactor