Update references for neutron and openstacklib

The updated references are required by the Neutron HA+DVR code for
Juno, and to allow some Rspec tests to pass.
Change puppet-openstack-cloud origin to stackforge
Fix puppet-fluentd commit

The puppet-fluentd commit in use has a typo that prevents rake spec
from working (summare instead of summary).
Merge pull request #191 from javierpena/enovance

Update references on Puppetfile