MVR: information from proposed Settings object should be possible to store into MVR

[petrvanekrobe]

Instance specific data should be stored into MVR, like it already happens with patch info (fixture id, dmx address, dmx mode and so on).

Settings object as per WIP PR #141

[moritzstaffel]

We decided that we want to first check what we want to do in GDTF, than move the MVR