Universal Device Mount: Bar

This is a evolution of my [TomTom Start 60 car mount](http://www.thingiverse.com/thing:69754). It has grown to a universal device mount system with fully parametrized components. Adopts to the dimensions of small (i.e. Xperia Active) to large devices (said TomTom). Create brackets and bars to connect to standard car mount plates, which [sell for a few dollars](http://dx.com/p/car-windshield-360-degree-rotation-swivel-mount-holder-for-samsung-i9000-black-65864) and provide excellent suction mo