AMRLevelAdvectDiffuseFactory(const AdvectPhysics &a_gphys, AdvectionVelocityFunction a_advFunc, BCHolder a_bcFunc, const Real &a_cfl, const Real &a_domainLength, const Real &a_refineThresh, const int &a_tagBufferSize, const Real &a_initialDtMultiplier, const bool &a_useLimiting, const Real &a_nu)