Iftach Sadeh / ctools

…cripts now from csobservation instead of cslikelihood since they do not use proper optimizers.

The new GApplication logger support function take the chattiness level as the first argument.

…oid code duplication in cscripts.

… ctcubemask for this purpose

…tion by a factor of 20 w/r to the counts cube.

Also document the new anumbins parameter.

…d in observation ebounds. Also added some improvements to csspec.

…no selection was performed)