Fixes #177 - Family concept

It will_paginate and handle searches
Added family support to Operatingsystem
More work will be needed to add family support to host manipulation.

fixes #199 - Remove activescaffold from the puppetclasses page, search functionality will follow

Merge branch 'feature-203' into develop

removing show action in places it doesn't make sense, and minor visual changes

fixes #203 Remove ActiveScaffold from Models

fixes #206 - Remove activescaffold from the authentication page

fixes #202 - Remove activescaffold from the medias page

fixes #201 - Remove activescaffold from the domains page

fixes #207 - remove activescaffold from Parameters settings

fixes #198 - remove activescaffold from Operating systems setting page