remove hiera data mapping module

It has been replaced by an extension in the scenario_node_terminus
module.
Merge pull request #181 from bodepd/deprecate_hiera_module

remove hiera data mapping module
Merge pull request #182 from michaeltchapman/dmz

Dmz
Revert "Sadface :("

This reverts commit 3c5ae9fd03ea8194fa8eb4339dd4b8743c65d6e4.
Merge pull request #184 from bodepd/realign_to_bodepd_scenario

Revert "Sadface :("
Revert back to master of terminus