Removed old interface.
Merge branch 'master' of ssh://dascgitolite@dasc-git.diamond.ac.uk/scisoft/scisoft-ui.git
Moved notify listener to a setter method because it is not often used and it makes it easier to create a plot window.
Used setter method for listener.
Created new class which has lower dependency on the UI for connecting to a plot server. One has the vain hope that eventually any plotting system will connect to python.
Merge branch 'master' of ssh://dascgitolite@dasc-git.diamond.ac.uk/scisoft/scisoft-ui.git
Simplified constuctor.
Moved interface to somewhere it can be used without depending on the RCP plugin.
Merge branch 'master' of ssh://dascgitolite@dasc-git.diamond.ac.uk/scisoft/scisoft-ui.git
Updated location of interface.