refs #203, error on zero size array

fixes #199 - adds a search functionality to puppetclass page

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