During the build process the example files are copied to the hardcoded path 'data/examples' while for the installed files
'/examples' is used. On Linux systems the value of the CMake variable is 'share' so that there is
an inconsistency between compiled and installed version.
* FEM: Delete data/examples/FemCalculixCantilever3D_newSolver.FCStd
* FEM: Delete data/examples/FemCalculixCantilever3D.FCStd
* FEM: Delete data/examples/FemCalculixCantilever2D.FCStd
* FEM: add updated cantilever 3D
* FEM: add updated cantilever 2D
* FEM: add cantilever 1D
* FEM: Update CMakeLists.txt
* FEM: Delete data/examples/FemCalculixCantilever1D.FCStd
* FEM: Delete data/examples/FemCalculixCantilever2D.FCStd
* FEM: Delete data/examples/FemCalculixCantilever3D.FCStd
* FEM: reupload the 1D example with a new license
* FEM: reupload the 2D example with a new license
* FEM: reupload the 3D example with a new license
-removes all soqtviewer references
-create a quarter adaptor class which implements missing functionality
-adopts freecad code to make use of SoRenderManager and changed View3DInventorViewer interface
