added des_meds.py and a unit test for it, test_des_meds.py
(#376)
added clobber option
(#376)
updated docs, made all lines <100 characters
(#376)
updated docs to match last Erins commit
(#376)
added MultiExposureObject, fixed bug with Jacobians
(#376)
moved test_des_meds.py to GalSim/tests, updated comments
(#376)
added des_meds to des __init__.py
(#376)
Move test_des_meds.py to des directory
(#376)
removed fitsio dependence
(#376)
removed Erin's code
(#376)
added test for get_mosaic
(#376)
MultiExposureObject uses galsim.Image lists
(#376)
added creation of dummy weights,segs and jacs as default
(#376)
Change default jacobian for meds to use image scale
(#376)
Make valid_output_types to be more flexible in adding new output types
(#376)
Extract the rest of the type-specific behavior of the output types into valid_output_types dict
(#376)
Make valid_image_types to be consistent with how our other config type options work, even though I don't need to extend that currently.
(#376)
Have valid_value_types include the name of the builder to be more easily extensible
(#376)
Write config builder for des_meds type
(#376)
Add test of using config for des_meds
(#376)