- merge OCC64 patch from Jose Paulo Moitinho de Almeida

fixed (?) long-standing mesh-size/geometry-size dependence in Netgen

* removed unused stuff (more to come)
* moved remaining into Common

- log vector scaling (idea from bernhard Kubicek)

* implemented first rough draft of VTK mesh writer

  did in high
* added mesh generation error log summary
* removed Parallel subdir (this is now handled by the message class)
* removed Box subdir and consolidated batch processing in a single
  routine
* made List_T into a class
* reduced dependencies in Pview*.h so we can eventually add the post-pro
  interface to the public API

when creating single lib (boundarylayer.cc exists in netgen)

better "make lib" (cannot simply merge static libs with ar on linux)

rewrote adaptive view stuff so we can use it on all types of views
(model-based, multi timestep, multi-mesh)

- temp fix in Open to delete obsolete views

don't use model->bounds() here: it's costly!