Fixes #450 - Environment imports lose their puppetclass associations

Fixes #456 - After creating or editing a partition table, you get redirect to an invalid page

Fixes #443 - remove unnecassary fact_values loading

This fix does not explain why you need to include :fact_values to
avoid an SQL error. However this includes the fact_values when you do
really need them and does not when you don't

Refactored show_hosts and index...

fixes #454 - Foreman render 500 instead of 404

• Fixes the not found method
• generalize the find_by_obj_name method so we DRY abit more

Fixes #442 - User edit removes the Anonymous role

fixes #445 - ensure that all anonymous actions are accessible

Fixes #168 - optional unattended settings

Fixes #298 - Add tests to unattended controller

• When OS is sucsuffully installed, it tells foreman it was installed
  when having roles enabled, Foreman would not allow an anonymous user to change the settings
• text/plain was only being set for spoof operations...

fixes #438 - automatically associate the host domain

This reverts a bahaviour prior to #398, the main difference
is that the domain will not be created, rather only existing
will be used.

Fixes #366 - Redmine authorization port

This is a major feature which provides RBAC authorization within Foreman
a mental note to myself - never ever work on large commits