Fixes: #288 - Addressbook plugin reads all ou not only the ou=people
Added a BootKernelAttribute that both debconf and fai can use
Fixes: #1730 winstation network info are not saved
Fixes: #1733 serverService should not use a plugin to display services list
Fixes: 1728 fai_repository.tpl must be undeleted
Revert "Added a BootKernelAttribute that both debconf and fai can use"

This reverts commit 6b83dc3fd9ea6e3c9bc1531ef3eb50634b7c94cf.

This one was already applied and code moved into a simple plugin function
Fixes: #1735 Applications plugin should be using simplePlugin