PMO-2639 deletion error
Merge commit 'a0548c' into HEAD

Conflicts:
	RiskAnalyticsCoreGrailsPlugin.groovy
fix no session error
new version 1.8.5
PMO-2632
Fix remaining couple of references to master branch (use -1.8.x instead).
PMO-2658 rename component to a subName of an existing one.
new version 1.8.6
Add RemoteNodesMappingStrategy class.
PMO-2652 merge changes from master into 1.8.x branch manually
ART-1186 ability to clear audits
new version 1.8.8
Version 1.8.9. Copied Michi's fix for PMO-2620 (CSV export -> OOM crash).
For large #iters, make it easier to read logs. Hope it breaks no tests.
v1.8.10 Adds logging before attempt to delete items. Fixes a warning.
Log validation errors found during model migration.
Fix logging of validation errors; add utility method for occasional housekeeping.
Add comment
Add comment on dodgy looking code.
Ver 1.8.11 of ra-core plugin.