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 #6532 - permission related api extensions

- usergroups#show lists associated roles
 - listing available resource types
 - filters#show lists associated roles
 - filters#index lists associated roles and permissions and orders the results
 - pagination in permissions#index...

fixes #812 - new permissions model, user group role and nest support, role filters for better granularity

• Daniel Lobato <elobatocs@gmail.com>
• Joseph Magen <jmagen@redhat.com>
• Tom McKay <thomasmckay@redhat.com>
• Greg Sutcliffe <gsutclif@redhat.com>...