[doc][newton] Fix file documentation

See merge request !2194

[test][1p] Use class template deduction for type of LinearPDESolve

See merge request !2096

[bugfix][pointsource] Do not move a variable that is still used afterwards

Closes #899

See merge request !2193

[geometry][test] Add simple vtk output debug routine for polylines

See merge request !2191

Feature/improve cleanup 1d3d couplingmanager

See merge request !2184

* Add box point source lumping or distribution by ansatz functions
* Optimize storage: we only need one element index to interpolate

Revert "Enable rotational-symmetric geometries for the staggered/freeflow models"

See merge request !2189

This reverts commit 37c21581.

Feature/cylinder integration

See merge request !2180

[cmake] Add missing header to make install

See merge request !2185

[changelog] Add boundary types and comment about previously deprecated now deleted code

See merge request !2183

Feature/deduce boundarytypes

See merge request !1981