NuagesPad - step 1 - two views attached to the same model

Project to implement a 'padded' version of the Wolkenpumpe live improvisation software interface. NuagesPad is inspired by the idea of Etherpad to assemble multiple players within one virtual space, giving each their own view / perspective. See also https://www.researchcatalogue.net/view/426429/1114309/1720/600