PMO-2216: correct identification of discrete generators to apply correct rounding
fix build
releasing new plugin version 1.8.1
Merge branch '1.8.x'

Conflicts:
	RiskAnalyticsCommonsGrailsPlugin.groovy
	test/unit/org/pillarone/riskanalytics/domain/utils/math/distribution/CompositeDistributionsTests.groovy
Merge branch 'master' of github.com:pillarone/risk-analytics-commons