Adds openstack-reddwarf feature (flavor)
fixes
Merge pull request #75 from rackerlabs/reddwarf-backport

Reddwarf backport
corrected version of reddwarf
corrected version for rackspace providers
[maven-release-plugin] prepare release jclouds-labs-1.6.0-rc.5
[maven-release-plugin] prepare for next development iteration