Add start message for DuMuX 2.11 special edition

See merge request !401

It is the Anniversary Edition:
* Rainer's 60th Birthday
* 10 years of DuMuX

* Improve formating
* Move piece-of-cake to right section

[test][io] Fix compiler warnings

See merge request !437

[constraintsolvers] Fix guardian macro

See merge request !435

[io][cake][cleanup] Remove debug output and other improvements

See merge request !407

Doxygen

See merge request !412

[tests][box2pni] Update ref sol when using cubic grid

See merge request !432

[mpnc] Fix grid grading. Error was introduced after release 2.9. Adjust ref sol.

See merge request !427

[tests][co2] Correct restart time

See merge request !428

Timo Koch authored Mar 21, 2017 and Martin Schneider committed Mar 22, 2017

(cherry picked from commit a9bbd4a5)

Timo Koch authored Mar 21, 2017 and Martin Schneider committed Mar 22, 2017

(cherry picked from commit 6dc626cd)

Replace const char * by std::string for type safety

See merge request !420

Fix of ccadaptive2p assertion error

See merge request !425

*The assertion error has been caused by the indexInInside() call
 for some father element in the update function of fvGeometry.

*Deletion of this unnecessary function call solves the issue.

Correction of mpfa2p tests

See merge request !424

* The test failed because eps has been introduce to check
  if globalPos is included in the lense

* Change of the eps sign fixes the error

(cherry picked from commit 3b62b6af)

[test] Fix el2p problem

See merge request !417

* 02e54008 erroneously
  replaced Yasp with AluGrid

[installexternal.sh] Adapt path for dune-typetree installation

See merge request !415