Add kickstack

Kickstack is a thin wrapper around the StackForge Puppet modules that
enables simple Puppet ENCs (like Puppet Dashboard or The Foreman)
to quickly deploy OpenStack using node roles.

Kickstack has previously been maintained on GitHub.

Change-Id: I345ba4de407d7f2c5e9d6ce22e79c9242555841c
Merge "Add kickstack"