Merge pull request #1 from ameliemeyer/master

Plus Remote improvments
Merge pull request #2 from ameliemeyer/master

re  #902: ROI saving fixed
Merge pull request #3 from ameliemeyer/master

re #902: scout filename completion fixed
BUG: Fixed error when no capture or recording device is present. Fixed transform update command format.
re #902: limited number of volume nodes, modified visualization of results, fixed bugs