daily update: some merging of raytracing modules, result file for raytracing in place
added makefile for raytracing
some small chnges and error removal
change in makefile
splitting files and adjusting makefile
some beautification and small changes
Merge branch 'master' of https://github.com/anak-fhv/ConductionFEM into fst
some smaller changes, addding a documentation folder (mostly as backup)
raytracing with absorbing capabilities
raytracing with absorbtion and isotropic scattering, boundary handling routine
Merge branch 'fst'
Merge branch 'master' of https://github.com/anak-fhv/ConductionFEM
Merge branch 'anak'
VTK transient write additions
Merge branch 'anak'