PMO-2679: modified ModellingItemCopyUtils to not only copy, but also to update ModellingItems
version 1.8.18
extended ModellingItemCopyUtilsTests
PMO-2682: our HibernateListeners must be post commit listeners.
version 1.8.19
PMO-2722 Send to review fails if p14n has validation errors.
Plugin v1.8.20
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Merge remote-tracking branch 'origin/1.8.x'

Conflicts:
	RiskAnalyticsCoreGrailsPlugin.groovy