Fixes #19789 - fix Layout/SpaceAroundOperators cop

fixes #14509 - refactor enc_output to be a generic exporter

Fixes #7463 - Add basic support for bridges

Refs #3809 - Stabby lambda syntax for oneliners

I started by spotting log.rb which didn't have a lambda wrapping its
default scope, as needed by Rails 4. Since the style guide and most
Rails 4 documents used the stabby lambda, I turned on the cop so that we...

Fixes #9495 - Require identifier for managed bonds

Fixes #9497 - Require MAC for managed BMC

Fixes #8433 - Fix type transformation for all ENC-able NICs

Fixes #2089 - Add network configuration to ENC

Fixes #8005 - Convert allowed NIC types to strings

- allowed NIC type classes need to be registered now
- api for interfaces use lowercase human readable values for defining types
- fixed output of api's create action to the standard format

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