Dmitry Malyshev / ctools

Conflicts:
	scripts/csresmap.py

…lso modified consistently, csresmap can now also take two maps (cnt and model) as input and compute the residuals directly. The algorithm parameter has been made unhidden

…gning the old best optimizer result).

… csspec and complemented the copy constructor of cterror (the optimiser was not copied and intialised)

…erLM logger constructor interface (now takes a pointer instead of a reference).

The processing for empty event files is skipped. The file is simply written out empty again.