The default capture mode [&] also captures this. The base class name should be
able to be implicitly captured but is not for some older gcc versions.

[istl] Parallel solver factory only available from Dune 2.8 onwards

Closes #980

See merge request !2437

[test][1p] Add root benchmark analytical solution Schnepf et al 2020

See merge request !2434

[bugfix][navierstokes][radsym] Fix rotational symmetric Navier-Stokes with pressure normalization

See merge request !2435

Cleanup/isect point simplex

See merge request !2431

Feature/extend instersectpointsimplex test

See merge request !2429

[bugfix][fickslaw] Add missing return in getRho helper

See merge request !2430

[constantcomponent] Fix liquidEnthalpy

See merge request !2423

[flux][tpfa][fourierslaw] Add flux overload taking inside/outside volVars explicitly

See merge request !2425

[flux][tpfa][fickslaw] Add flux overload taking inside/outside volVars explicitly

See merge request !2422

Shift variable warningIssued from local to private

Closes #977

See merge request !2428

[multidomain][fvassembler] Change variable warningIssued from a local static variable to a private class member for compatabilit with gcc7 compiler.

[fluidsystems][1padapter] Fix typo

See merge request !2426

[components][constant] Add non-isothermal liquid properties

See merge request !2421

[test][freeflow] Correct definition of boolean hasAnalyticalSolution in channel test

See merge request !2418

Feature/install script generator

See merge request !2230

[io] Fix bug in rasterimagereader

See merge request !2416