gui: Selection placement and world coordinates fix
gui: don't display the settings at all if the hardware is not available
Merge branch 'master' of delmic-server.local:odemis
gui: Added file input controls for Sparc acquisistion
gui: Sparc file settings added to gui
gui: Gui beautification
gui sparc: some more work towards having the ROI defined as the ROI of the SEM CL stream
Merge branch 'master' of vpn.delmic.com:odemis