tighten dependencies for keystone and heat
Refactored quickstack_defaults.rb

Added hostgroups to nodes.pp feature

Handling facter version 2.x
Merge pull request #281 from gildub/parameters/tool2

Refactored quickstack_defaults.rb
Merge pull request #280 from cwolferh/ha_cleanup_some_moar

tighten dependencies for keystone and heat