Fixed integration tests for CentOS 5
Disabled some modules by default to fix Ubuntu 10 compatibility: exec, shaper, sftp and sftp_pam
Fix Ubuntu 14.04 support (monkey-patch for bug 1293416, fixes #2)
FC034: Unused template variables
Some integration tests fixes to support more platforms
kitchen.yml: Added more platforms to test
Gemfile updated and improved using groups
Berksfile cleaned and updated to Berkshelf 3
Added some basic Serverspec tests
kitchen.cloud.yml: removed yum from run list