Merge branch 'feature/kelvinEquation' into 'master'
Feature/kelvin equation
See merge request !287 (merged) Conflicts: dumux/porousmediumflow/2p2c/implicit/volumevariables.hh
Feature/kelvin equation
See merge request !287 (merged) Conflicts: dumux/porousmediumflow/2p2c/implicit/volumevariables.hh