improve output to user by moving some log messages to debug
Merge branch '8.36' of ssh://dascgitolite@dasc-git.diamond.ac.uk/gda/gda-epics.git into 8.36
add method to get size of line in a scan - do not assume the size
refactor to work in I18 faster raster scans

tested with hardware and works
do not stop if not connected
Merge branch '8.36' of ssh://dascgitolite@dasc-git.diamond.ac.uk/gda/gda-epics.git into 8.36
EPICS ADViewer - improve layout
Zebra - force 2s wait after arming as caput -c sometimes fails
PCOTrigger - Add Comment
PCO ADDriver - Add new mode EXTERNAL_ONLY
EPICS PCO - Use new EXTERNAL_ONLY triggermode
ADView - When creating store A-B do not use in place subtraction
GDA-3080 Monitor limits to reduce CA traffic
EPICS - Zebra. Add useAvalField flag to allow for old versions
Merge remote-tracking branch 'origin/8.36'

Conflicts:
	uk.ac.gda.epics.adviewer/src/uk/ac/gda/epics/adviewer/composites/TwoDArray.java
	uk.ac.gda.epics/src/gda/device/detector/xmap/edxd/EDXDMappingController.java
	uk.ac.gda.epics/src/gda/device/scannable/EpicsSingleTrajectoryScannable.java
	uk.ac.gda.epics/src/gda/device/zebra/controller/impl/ZebraImpl.java