Added Crab MW dataset
Merge pull request #138 from rbuehler/crab_flux_points

Added Crab MW dataset
Implementation of morphology models as astropy models and testing
Docstring fixes and normalization option
Fixed handling of warnings in eval function and added TODO statement
Fixed doc links
Merge pull request #122 from adonath/shell2d_model_#115

Implementation of morphology models as astropy models and testing
mutli gauss class, effective area class and irf info script
Added test data for ARF and PSF
ARF and PSF tests