GDA-5271 grey out online analysis views at the scan of the scan until
data ready to plot
Fix to problem whereby * does not appear for PlotViews with data at the
right time.
Merge branch 'master' of ssh://dascgitolite@dasc-git.diamond.ac.uk/scisoft/scisoft-ui.git
GDA-5077 show message saying no data has been received until it has
Merge branch 'master' of ssh://dascgitolite@dasc-git.diamond.ac.uk/scisoft/scisoft-ui.git