Restructure per lwrp cookbook docs:
  http://docs.opscode.com/essentials_cookbook_lwrp_example.html
Autogen needs libtool, autoconf, and autogen.
Update Vagrantfile to use berkshelf.  Add Gemfile and Berksfile.
s/Chef::ShellOut/Mixlib::ShellOut/.
Fix cherry_pick_test.
Merge pull request #8 from halcyonCorsair/refactor

[COOK-2335] Refactor to fix breakage due to Chef 11