fixes #470 - Add gpxe scripts support

• dynamic gpxe script that kickstart purly with gpxe - see usage example below
• add static network option to kickstart, ie if added ?static=true to the url, network configuration would be static...

Fixes #450 - Environment imports lose their puppetclass associations

fixes #455 - selected items are not shown as selected

Restructure the host creation/edit page

This page looks better if the alerts and owner are below the comment box.

fixes #454 - Foreman render 500 instead of 404

• Fixes the not found method
• generalize the find_by_obj_name method so we DRY abit more

Fixes #444 - use searchlogic in interesting report filter

fixes #375 - Sort all elements in host views

fixes #441 - display facts timestamp

fixes #392 - audit search by user not working

this will only show users who actually have an audit assoicated to them

Fixes #168 - optional unattended settings