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 #10356 - changed the POST/PUT RABL template to be the same as the GET template

HTTP response code standardized to 201 on create.

fixes #4111 - Add image user data flag to API

fixes #4198 - API v2 - add child nodes to show responses. Ex. architecture should show operating systems node

fixes #3491 - API v2 rabl templates base, main, show for each controller

fixes #2931 - API v2 hosts JSON response, add *_name for each *_id

fixes #3017 - split APIv2 controllers from v1 parents