Add tuned configuration

* Add tuned= kernel command line option
* Add tuned python module that interacts with tuned-adm
to do all tuned configuration work
* Add TUI page that lists current tuned profiles available and
shows the currently selected one.

Change-Id: Ic1ed6db48bfeeed962f1bff656d71243281e1597
Signed-off-by: Mike Burns <mburns@redhat.com>