JBDS-2721 - zero dollar subscription
JBIDE-16759 Provide assignability of raw bean type to parameterized required type

Implemented assignability of a raw bean type.
JBIDE-16702 - fixing warning message in last page of downloadRuntime wizard page
JBIDE-16819 - messed up tracing. Null check added
JBDS-2848 Usage Stats for actual used features
JBDS-2848 Added try{}catch{} to make sure Usage doesn't prevent JBT from working in case of bugs
added IObservablePojo#firePropertyChange
Updated parent pom to 4.2.0.Beta1
Updated parent pom to Beta2
JBIDE-16844 Unknown extension point: 'org.eclipse.mylyn.tasks.bugs.support'
JBIDE-16955 Daily usage event reporting job (sleeping) stays in Progress View
JBIDE-16896 - improvements to download runtime wizard
JBIDE-16973 Corrupted JSF nature for openshift project

Internal model should allow missing WEB-INF.