Refs #3809 - Remove cops for empty lines

Fixes #7733 - Remove hosts.yml fixtures and use FactoryGirl instead

fixes #3272 - allow 'admin' account to be removed and replaced

fixes #812 - new permissions model, user group role and nest support, role filters for better granularity

• Daniel Lobato <elobatocs@gmail.com>
• Joseph Magen <jmagen@redhat.com>
• Tom McKay <thomasmckay@redhat.com>
• Greg Sutcliffe <gsutclif@redhat.com>...

fixes #2400 migration to remove orphaned records and add foreign keys constraints to database tables

fixes #2378 - added Minitest and other code cleanups

fixes parameters whitespace validations

fixes #1324 - Separate permssions on hosts from permissions for objects within hosts.

This allows a user to be granted permission to edit the host (and so change the group or proxy) but not, for example, edit the parameters
This could probably be extended further if necessary.

Fixes #540 - Manages sub proxies

Automates the creation of DHCP, DNS and TFTP settings on remote servers.
This handles all required settings in order to prepare a machine for provisioning.

• Reservation will be created per host, setting the following options:...

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

Fixes #261 - parameters now use a single reference_id

This implementation uses STI but the table looks the same for all
variants. This is a little strange but it seems to work.

Also removed obsolete controllers and tests
Added more tests

family id can not be forced at this time, as it breaks many fact import operatings, fixing broken tests

added the host_parameter_test, modified the Ensure_not_use_by issue in the subnet model and almost finished the subnet_test