Michael Mayer / ctools

The old code did not carry over correctly the likelihood profile errors for the source component but simply kept the original curvature errors. This gave the impression that curvature errors were similar to likelihood profile errors. This has been fixed now.

…gning the old best optimizer result).

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

…ion about the limitations of the Broken power law and the parameters update.

cspull now loops over all model components and call cterror for each model component.