Fixes #11650 - show global parameter value inherited from parent taxonomy

refs #11449 - move therubyracer to its own bundler group

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
---|----------------------|----------------------|---------------...

fixes #10832 - separating lookup keys into puppet and variable

Fixes #11466, #11462 - Improve layout of textareas

Refs #3809 - Enable Rails delegate cop

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 #11630 - Enable management of nics in compute profiles without libvirt network

fixes #11570 - returning 'dependent destroy' to lookup values

Fixes #11579 - Reports show/destroy restricted by host authorization (CVE-2015-5233)

ReportsController 'show' and 'destroy' now perform a check to see if
the User is authorized to see the Host associated with the Report. In
case it's not, it returns 404, as to not give hints whether a Report...