Ensure that all index views and controllers are consistent

Ensures that all controllers use @search in the index method
Ensure that all index views use pagination

Fixes #204 - Remove AS from environments page

Merged import facility in Environment and Puppetclass controllers

reduce puppet classses per page

fixes #199 - adds a search functionality to puppetclass page

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