fixes #100 - Setting is now a ActiveRecord object

This allows users to manage foreman settings via the UI.

the UI is a bit ugly, but works :)

Fixes #820 - Intel Solaris support

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

fixes #769 - host groups passwords are stored in their non encrypted form in the database.

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...

Fixes #631 - Adds the ability to set default values for hostgroups, which
are automatically applied when creating a new host (and selecting that
host group), and allows for templates to be rendered with those default
hostgroup values