gemini3d v0.9.2

bugfix: read.time for netcdf

fix tolerance spec

new MSIS HDF5 / 2.0 API. Requires Gemini3D >= 0.8.0

Squashed commit of the following:

commit d7dfe07
Author: Michael Hirsch <scivision@users.noreply.github.com>
Date:   Sun Jan 17 23:56:36 2021 -0500

    make MSIS 2.0 option work

    matlab/cmake json use msis2 gemini3d branch during PR

    ci: timeout

    msis hdf5

    ensure msis 3d

commit 6c27eb3
Author: Michael Hirsch <scivision@users.noreply.github.com>
Date:   Mon Jan 18 01:02:49 2021 -0500

    ci:azure timeout

commit fca8558
Author: Michael Hirsch <scivision@users.noreply.github.com>
Date:   Mon Jan 18 00:58:41 2021 -0500

    ci: timeout

commit dc5d279
Author: Michael Hirsch <scivision@users.noreply.github.com>
Date:   Sun Jan 17 23:56:36 2021 -0500

    make MSIS 2.0 option work

    matlab/cmake json use msis2 gemini3d branch during PR

vis => plot

cmake policy template

functionalize, fix bad zip file

update hdf5nc

move non-public functions out of root scope. Simplify public names ge…

…mini3d.{run,plot}

bugfix: setup submodule update