[localevaluation.sipdg] added first draft to replate ipdg-fluxes only implemented for dimDomain = 2, dimRange = 1 atm
[localevaluation.sipdg] added first draft to replate ipdg-fluxes
only implemented for dimDomain = 2, dimRange = 1 atm

BarbaraV/dune-gdt,ftalbrecht/dune-gdt