Fixes #609 - Orchestrate puppetca operations

This also includes adding support for a puppet smart-proxy target type
and providing migration support
Updated to provide backward compatability for host and hostgroup objects
Now terminates the build and incorporates other fixes
Removed bogus host_groups_helper.rb file
This also includes a way to toggle between a smart proxy managed puppet master vs legacy puppetmaster integeration

Signed-off-by: Paul Kelly <paul.ian.kelly@googlemail.com>
Signed-off-by: Ohad Levy <ohadlevy@gmail.com>