Set running value properly for Herdt's PG

src/PatternGeneratorInterfacePrivate.cpp

src/ZMPRefTrajectoryGeneration/ZMPVelocityReferencedQP.cpp

src/ZMPRefTrajectoryGeneration/ZMPVelocityReferencedQP.h

src/ZMPRefTrajectoryGeneration/ZMPVelocityReferencedQP.hh

src/patterngeneratorinterfaceprivate.hh