Merge commit '3324327a' into base_2020Q4

* commit '3324327a':
  add build-arg BASE to himawari-satpy trim so we can buid himawari-satpy-sse2
  Harry, please cast syntaxius fiximus correctly
  fix naming
  fix instructions in dockerfile
  add build.sh and revise himawari addon to include satpy
  add zarr and its dependencies
  update base for himawari trim

# Conflicts:
#	ShellB3/shallbethree.sh