Calculate node name for cleanup
bump version to 0.2.1
Update Changelog, Fix spec tests
Merge pull request #25 from opscode/tduffield/GH23

0.2.1 - calculate node name for cleanup based on contents of .node_name
include_credentials now appends --no-remove-secure

As pointed out by Andrew Hsu, the initial process of removing the secure directory resulted in an intermediate layer with the credentials still in it. This process will now strip out the credentials within the same layer.
Update CHANGELOG
Calculate node name for cleanup
bump version to 0.2.1
Update Changelog, Fix spec tests
generate berksfile even with empty runlist
use mkmf to see if berks is installed
Merge branch 'tduffield/FSE-188' into tduffield/docker-rebuild

Conflicts:
	CHANGELOG.md
	lib/knife-container/version.rb