[fUML] create ExpansionNodeActivation instead of OutputPinActivation for ExpansionNode (faulty fUML specification), change type of attribute ExpansionActivationRegion::groupInputs/-Outputs and modify several operations accordingly
[fUML] create ExpansionNodeActivation instead of OutputPinActivation for ExpansionNode (faulty fUML specification), change type of attribute ExpansionActivationRegion::groupInputs/-Outputs and modify several operations accordingly

MDE4CPP/MDE4CPP,MDE4CPP/MDE4CPP,MDE4CPP/MDE4CPP