Access to DC1 output products.

Run read_dc1.ipynb Jupyter Notebook.

Based on 
Tony Johnson's writeup:
https://docs.google.com/presentation/d/1aXZ7E9ByZRyYY7VQzrAJ5Q2m79mtGCJ6wHg4kVlE7Jo/edit#slide=id.g1c96d91273_0_0

# Set up Jupyter-dev connection on NERSC following.

# Set up at
/global/common/cori/contrib/lsst/lsstDM/setupStack-dc1-a.sh
# Data are here
/global/cscratch1/sd/desc/DC1/DC1-imsim/full_focalplane_undithered/

# See Bryce Kalmbach's Jupyter dev demo at
https://github.com/LSSTDESC/Monitor/blob/master/doc/jupyter-dev.md

[cori10 ~] module load python/2.7-anaconda
[cori10 ~] ipython kernel install --user --name lsst
Installed kernelspec lsst in /global/u1/w/wmwv/.local/share/jupyter/kernels/lsst

# The key thing that tripped me up for an hour:
chmod ug+rx lsst-kerne.sh