Fixes #6710 - unicode characters in url parameters

Original methods to_param defined on resources called name.parameterize
to get rid of url-unsafe characters. This function unfortunately also
stripped off unicode characters.

Changes:
- parameterization extracted into a separate module Parameterizable...

Fixes #7401 - Add support for bonds

Renames physical_device to attached_to and move the virtual device
form out of BMC.
Extends the form for Bond devices
Allow configuration of bonds in KS template
Parsing of Bond interfaces from facts
Mac address is required only for physical devices

Refs #3809 - Use parentheses in method definitions

Refs #3809 - Fix a few rubocop TODOs

Refs #3809 - Remove rubocop TODOs

Removed the following TODOs so that cops for these will run from now on:

Lint/AmbiguousOperator, DefEndAlignment, DeprecatedClassMethods
EnsureReturn, RequireParentheses, Void, BlockAlignment, EndAlignment,
UselessAccessModifier,...

fixes #7163 - on host's edit page, show the source for the value of puppet class parameters.

Fixes #7572 - remove rundeck from core

Foreman rundeck is now a plugin available in https://github.com/theforeman/foreman_host_rundeck

fixes #4386 - gem friendly_id to simplify find by id, name, label, etc

Fixes #6695: Adding two OS parameters with same name should raise an error

Fixes #6468 - Allow filtering/searching by active user