Populate the actors when creating groups
Add unit test for group normalization in ChefFS
Merge pull request #2073 from opscode/ryan/group_post-master

Populate the actors when creating groups
Introduct :auto mode for :file_staging_uses_destdir which tries the dest_dir first and falls back to tmpdir when unsuccessful.
Use platform_specific_path in chef shell
Fixes based on PR comments.
Dedicated error for content staging issues. Comment fixes in config.rb.
Fix typo in release notes.
First attempt at checking whether version is and empty string and writing test to test whether it works
Setting version to an empty string in test, and adding backslash-quote to rspec-core
Changing 'instance_eval' to 'instance_variable_set' in test to set version to empty string, and checking for nil as well as empty string
Changing new_resource.instance_variable_set to be new_resource.version