ignore puppet modules except puppet
[puppet] add debuging tools, grizzly repo (cinder*,conductor*)
[puppet] Master - Remove passenger, update MySQL settings
[bin] Openstack - Setup grizzly pre-req also for computes (managed by puppet module)
[bin] Openstack - Update puppet_install (manage prevent_update), Remove apt.grid5000.fr APT repo (bug with sid dist), Remove duplicates packages (managed by puppet module)
[lib] bump to grizzly (WIP)
ignore kavlan/openstack xp files
Add basic readme for grizzly (WIP)