ADViewer - add throws Exception clause to method
ADViewer - rename variables to make more readable. Set array port on
start of view.
ADViewer - use icon and name of views from plugin.xml
EPICS FileWriter - remove warning
EPICS - Filewriter to work with NDParallelHDF
EPICS - ADViewer - add serviceName to ADController

To allow views to specify specific ADController in commands
Merge remote-tracking branch 'origin/8.30'

Conflicts:
	uk.ac.gda.epics.adviewer/src/uk/ac/gda/epics/adviewer/views/HistogramView.java
	uk.ac.gda.epics.adviewer/src/uk/ac/gda/epics/adviewer/views/TwoDArrayView.java