las3_pub / predictable_parallel_patterns

There are serval ways we could optimize the calls, but for now this should be enough for first tests.

We force linker errors if the new operator is used somewhere. See NOTES.md for details.

Seperate library from other parts of project (samples, playground, testing, ...). We still are in one 'toplevel' cmake project, so we can for exmaple compile everything (library and playground) in debug mode, for simple development.