Johan Bregeon / gammalib

This enhances the user information in ctools.

classes, though all return 0.0

…ation of 2D energy dispersion (normalize after computing the sums).

… the energy dispersion access operator().

By this method we assure that the matrix is properly normalized, including the effects of numerical interpolation.

…e IRF to avoid segfaulting.

Conflicts:
	inst/cta/test/example_sim_edisp.py

Implemented and modified ebounds_src and ebounds_obs methods in GCTAEdisp2D and GCTAEdispRmf
Corrected edisp_matrix.fits file

Conflicts:
	inst/cta/src/GCTAObservation.cpp

…und::mc. Further added GCTACubeBackground::fill, to fill the cube from an observation container