[bboxtree] Extract intersection algorithms from bounding box tree

See merge request !679

* Generalize bounding box tree
* Extract intersection algorithms
* Fix some epsilon issues in interval (1d) and triangle (2d) point intersection
* Adapt point sources to new interface
* Adapt fv grid geometry to new interface -> element map moved to basefvgeometry
* Improve bounding box tree test

[spatialparams] replace typedef by using (again)

See merge request !678

Fix/doxy 1p

See merge request !682

[doxygen] add new style, new modules.txt, adapt parameterlist, change sanitizelinks.sh

See merge request !680

[1p][sequential] fix doxygen to correct format in all 1p sequential files, not everything properly documented yet

[disc] Remove flux stencil from base fluxvars. Use directly.

See merge request !669

Feature/improve vtk writer

See merge request !673

Feature/fix cmake warnings

See merge request !677

Christoph Grüninger authored 7 years ago and Timo Koch committed 7 years ago

Adds a description and the purpose of searched packages.

Christoph Grüninger authored 7 years ago and Timo Koch committed 7 years ago

Dune 2.5 is required anway.

Feature/replace typedef

See merge request !674

Feature/rename spatialparameter classes

See merge request !675