added files to support Vagrant and Chef 11 for easy testing
adding support for AWS provider and require Vagrant 1.2+
Merge pull request #69 from Bigpoint/vagrant-chef-11

Vagrant chef 11
Merge remote branch 'remotes/origin/next'

* remotes/origin/next:
  adding support for AWS provider and require Vagrant 1.2+
  added files to support Vagrant and Chef 11 for easy testing
increase version number to 0.1.78