localoperator → constraints Relation

File in dune/pdelab/localoperator	Includes file in dune/pdelab/constraints
convectiondiffusionparameter.hh	common / constraintsparameters.hh
linearelasticityparameter.hh	common / constraintsparameters.hh
nonlinearconvectiondiffusionfem.hh	common / constraintsparameters.hh
stokesparameter.hh	common / constraintsparameters.hh