updated licence header
Delete dialoglineeditplugin.cpp
Delete dialoglineeditplugin.h
Delete dialoglineeditplugin.pro
Delete test.cpp
Delete test.pro
removed netgen
dummy state without NETGEN support
removed old files
removed windows files (will need to be re-installed with CMake support)
added CMake build folder
useful Python scripts
included the TetGen code from Dr. Hang Si
removed old build files
avoid crash if nothing has been picked
removed unused variables from NETGEN interface
Make menu item and tool tip name case consistent
adapted script to enGrid
interface to TetGen
added macro to disable code after a certain date

This can be used to avoid temporary code which
stays in the code-base forever ...