README cleanup, fix project mentions
README cleanup, fix project mentions

- This is a StackForge project now, it should be reflected such
- Cleanup references to OpenStack (and associated projects)
- Sundry cleanup

Change-Id: I26b0900badeb2a1770a8159f2c16745404887548

Kmotiko/openstack-chef-repo,csibbitt/openstack-chef-repo,Kmotiko/openstack-chef-repo,apealive-cookbooks/openstack-chef-repo,AlphaStaxLLC/openstack-chef-repo,sathvikm/openstack,apealive-cookbooks/openstack-chef-repo,mohitsethi/openstack-chef-repo,kevinlowrie/openstack-chef-repo,kevinlowrie/openstack-chef-repo,sathvikm/openstack,csibbitt/openstack-chef-repo,AlphaStaxLLC/openstack-chef-repo,mohitsethi/openstack-chef-repo