fixes 154 - audit log does not store user information

fixes #271 - remove active scaffold plugin

fixes #279 - when editing a host, user selection is of the screen

fixes #277 - add search options to puppet classes page

CSS rework, aligned view on all pages
removed google JS from pages which do not require it

fixes #272 - add a warning if there is a clock drift between the client and foreman

fixes #269 - Remove activescaffold from audits page

Fixes #212 - Remove AS from facts

fixes #268 - 500 Error on "All Puppet Classes"

fixes #236 - Installation media are now usable with more than one operating system.