InstanceModelUtil methods to check timing of connection instance now
retrieves property from instnace object.
Before it walked the connection declarations. It did not pick up the
contained property association.
Merge remote-tracking branch 'origin/develop' into develop

Conflicts:
	org.osate.xtext.aadl2.properties/src/org/osate/xtext/aadl2/properties/util/GetProperties.java
	org.osate.xtext.aadl2.properties/src/org/osate/xtext/aadl2/properties/util/InstanceModelUtil.java