More KMQ-compatible software

GQView3D is a stereo image viewer for Linux and also supports the KMQ-type over/under layout.

advanced Kit2 layout

with the new openKit2 laser cutting files, version 0.9, we now need two different plastic sheets.
Most parts are still cut from 1mm PET sheets, one is cut from 2mm Acrylics to be more ridgid for Wiimote use.