GDA-5840: removed beamline extensions and replaced with commands in histogram view.
Update I13I to use new HistogramView. Add devices to dummy mode
Merge branch 'master' of ssh://dascgitolite@dasc-git.diamond.ac.uk/gda/gda-dls-beamlines-i13x.git

Conflicts:
	uk.ac.gda.beamline.i13i/plugin.xml
I13 Use new MJPegView for camera epg