Renamed the interface to not include the term GUI
Abstracted part of connection which calls back onto AbstractPlotWindow.
Changed page to part.
Fix to part.
Fix to logic.
Merge branch 'master' of ssh://dascgitolite@dasc-git.diamond.ac.uk/scisoft/scisoft-ui.git
Fix to fact that plotUI was never disposed.
Removed unecessary IObservable declaration!