Fix/cleanups after dumux update

* Formulation pwsn unification
* 3pWaterOilTag
* SpatialParams for 3pWaterOil

See merge request !23

adapt problems and spatial parameters to changes in master

See merge request !24

[config.h.cmake] Add a correct config.h.cmake file

See merge request !22

[fix/References] update reference solutions for FuelCell and Co2plume



See merge request !21

Heavyoil using dumux stable



See merge request !20

it has been moved to dumux stable previously

[vtk][efm][mhs][mm] Adaption to change in vtk numbering see 0b670e7b1d0bc4ae895f8829846a1fdbe1034392



See merge request !19

[cleanup/removeDumuxPrefix]

removes unnecessary DUMUX:: prefix in problems

See merge request !18

removes unnecessary DUMUX:: prefix in problems

renamed there to 3pwateroil. Necessary adaption has been made
here.

[vtk][efm][mhs][mm] Adaption to change in vtk numbering see 0b670e7b1d0bc4ae895f8829846a1fdbe1034392

[tests] Clean-up deprecation warnings

* Use new fluidsystems to get rid of deprecation warnings

See merge request !17

* Use new fluidsystems to get rid of deprecation warnings

Fix/3p3c tests pg regularization

This depends on dumux!164.

See merge request !16

[test] Adapt path of the runtest.py script



See merge request !15

[readme] Add build badge for future automated testing



See merge request !14

[efm][mhs][mm] Adapt to changes in same branch in dumux

* reference solution for box and cc changed after correcting liquidDensity function in commit 9757ac83

See merge request !12

* reference solution for box and cc changed after correcting liquidDensity function in commit 9757ac83

Fix/sagd make fluxvars default constructable



See merge request !11

* header guards start with DUMUX_
* filenames lowercase
* filenames don't repeat folder name
* remove trailing whitespace and windows line endings

[naplinfiltration] Separate 3p and 3p3c for pedagogical reasons

* Make the ctests run only about 30 seconds each to save computer power
  when testing automated

* [ ] This can be only merged if the corresponding merge request of dumux
branch fix/3p-parker-vangenuchten is merged.

See merge request !10