A couple changes to svdpanel. More in details.

* Notification window is now taller.
* Decreased timer pauses, to get best svdpanel performance with acceptable CPU usage.
* Switched logger to Info level to reduce IO load from svdpanel.
* Fixed all interface flickering issues.

Signed-off-by: Daniel (dmilith) Dettlaff <dmilith@verknowsys.com>