Force dev dependency on Ohai 7 / Chef 11 to allow support for Ruby 1.9.x
Force dev dependency on Chef 11 to avoid Chef 12 compat issues
Support data bag secret parameter for bootstrap in Chef 12
fixed testcases
Merge pull request #142 from opscode/adamedx/chef-12-specs

Force test dependency on Ohai 7 / Chef 11 to allow support for Ruby 1.9.3