Marianne Lemoine / ctools

The script was adapted to comply to Python 3.x syntax.

Conflicts:
	pyext/setup.py.in

…ts the intervals, leading in the worst case to an empty event list if no overlap exists.

…o 1051-create-ctbutterfly

…odel with a standard diffuse cube background model that can be used for stacked analysis. The model container can be either retrieved using the models() method, or it can be written to disk with the save() method.

The tscalc parameter has been removed from ctlike.