Some developer scripts ended up in the demonstration scripts directory
that was bundled with builds. This moves them to the build_tools
directory and updates the associated Documentation
Fixes: lp:1815891
* https://bugs.launchpad.net/kicad/+bug/1815891
Adds a link-time dependency for libngspice, so that other tools may
detect ngspice as a KiCad dependency.
The library is still loaded with dlopen() as it gives a way to reload it
in case of problems. The DLL name is recognized during CMake
configuration and used to load the library at runtime.
Seth Hillbrand
Maciej Suminski
Chris Pavlina
jean-pierre charras