processing updates
add handler for averaged data
Merge branch 'gda-8.40' of ssh://dasc-git.diamond.ac.uk/gda/gda-scm into gda-8.40
Merge branch 'gda-8.40'

Conflicts:
	configurations/i22-config/xml/i22_server_nexus.xml
SCATTER-427 Improving error message when biosaxs file can't be written