Add creation of Observable<Integer> to NDROI
Add use of ROI plugin as source of Array
Use visible image area as ROI
GDA-5484 Allow use of ROI in TwoDArray view
GDA-5485 Handle IOC crash in ADBaseImpl - reset status to IDLE
GDA-5486 Allow control of storing attributes and performance data in
HDF5 plugin
MultipleExposureSoftwareTriggerAutoMode - support not using a PROC
plugin
PCOAutoContinuous - support setTriggermode
HardwareTriggeredPCO - collectionStrategy used with Zebra
Remove warnings
MJPeg - use timeouts mjpegHttp connections
PCOTRGTrigger - make useShutterPV and timeStamp settable fields
Tomography Using Zebra - various changes 

Handle scurveTimeToVelocity
Merge remote-tracking branch 'origin/8.28'

Conflicts:
	uk.ac.gda.epics/src/gda/device/detector/addetector/triggering/HardwareTriggeredPilatus.java
	uk.ac.gda.epics/src/gda/device/detector/addetector/triggering/MultipleExposureSoftwareTriggerAutoMode.java
	uk.ac.gda.epics/src/gda/device/detector/addetector/triggering/PCOAutoContinuous.java
	uk.ac.gda.epics/src/gda/device/detector/addetector/triggering/PCOTFGTrigger.java
BLXIIII-33: Install 8.30 on I13
http://jira.diamond.ac.uk/browse/BLXIIII-33

Handle changes to Observable and prepareForCollection