Merge pull request #365 from cositools/ckarwin-patch-1

Update galdiff_continuum.ipynb

ASAD polarization in inertial coordinate and RelativeX response

Small fix to SC file and documentation

Update tutorials

Bug fixes from initial DC3 release

Initial internal science team release for DC3

Last minute fix to TS map plotting

Last minute fix to TS map plotting

Sync version number with data challenge number

In preparation to public DC2. Mainly so that pip install cosipy doesn…

…'t default to cosipy-classic