fixes #11649 - taxonomies api - add description to base.json.rabl

Adding the 'description' to the base.json.rabl so that it is displayed
when a user performs commands like 'organization list' from hammer-cli-katello.

E.g.

hammer> organization list
---|----------------------|----------------------|---------------...

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 #11175 - [API] Add taxonomies to ptables, display ptables in taxonomies

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 #10854 - config_templates missing from show in taxonomies and os

Fixes #10002 - Add attribute ancestry to taxonomies API v2

Fixes #8764 - adds description to taxonomies

fixes #4393 - rename ancestry label to title

fixes #4349 - API v2 - add location and organization child nodes to user, domain, subnet, etc show json templates

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