use KnifeProvisionHelper refactors.
with GeneralSupport and the Knife helper, we don't need the testcase
subclasses anymore. still untested though.
fixups for the provisionhelper simplification
boom
kill knifesupport singleton use
generalsupport singleton removal
updated README
add year to license
CHANGE. LOG.
move SSHHelper to chef-workflow
update dependency list to reflect not needing net-ssh anymore
bump version, chef-workflow dep