set sample_name for NeXus metadata

prevent null pointer e in processingrunner
prevent cam error messages in simulation
Merge branch 'master' of ssh://dasc-git.diamond.ac.uk/gda/gda-scm
changes to allow biosaxs automatic reduction to run

with monitors configured to use "data" as dataset label
moml changed to allow "Profile 1" as sector profile, instead of mandating the user to rename the sector to "Calibration"