initial code for base matrix and 6x6 block matrix
builds so far
beam6dof - unfinished
fails on access to material props
Merge branch 'develop' into features/baseStiffMatrix

Conflicts:
	tests/test_stiffMatrixes.cpp
builds, but there is many errors
bug fixes and testes
seems to be working. normal build on Mac
Merge branch 'features/baseStiffMatrix' into develop