Fix bug in mk_kvm when specifying bridge
Add the ulimit cookbook as a module (not in-tree)
Updates for CentOS 7
Add Heimdal Recipes
Refactor ready for CentOS 7

Change stable/unstable Yum repository file structure
* Chef recipe for setting up the structure
* utility to move the RPMs across
Define the two types of C-Pod, create kvm_host and repo_host recipes.