message: Fixed IQFT circuit gen
  We inversed the gate sequence but didn't inverse the rotation angle of CPhase gates.
diff: @@ -38,6 +38,11 @@ bool InverseQFT::expand(const xacc::HeterogeneousMap &runtimeOptions) {
  // Add them to the return function
  for (auto i : instructions) {
  + // If it is a parametric CPhase gate,
  + // we need to inverse the angle.
  + if (i->name() == "CPhase") {
  + i->setParameter(0, -i->getParameter(0).as<double>());
  + }
  addInstruction(i);
  }
  