Merge branch 'master' into dev

.github/workflows/generate-reference-data.yml

@@ -14,6 +14,8 @@ jobs:
     steps:
     - name: Checkout source
       uses: actions/checkout@v3 
+      with:
+        submodules: true
     - name: Make clean
       run: VLASIATOR_ARCH=carrington_gcc_openmpi make clean
     - uses: ursg/gcc-problem-matcher@master
@@ -44,6 +46,8 @@ jobs:
     steps:
     - name: Checkout source
       uses: actions/checkout@v3 
+      with:
+        submodules: true
     - name: Download testpackage binary
       uses: actions/download-artifact@v3
       with:

README.md

@@ -2,6 +2,7 @@
 ![](https://github.com/fmihpc/vlasiator/blob/master/doc/artwork/logo_black.png?raw=true)
 
 Vlasiator - ten letters you can count on
+
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.6782211.svg)](https://doi.org/10.5281/zenodo.6782211) 
 
 ## Code description
@@ -17,3 +18,5 @@ See the [wiki](https://github.com/fmihpc/vlasiator/wiki) for build instructions
 ## Paper references
 - [Palmroth, M., Ganse, U., Pfau-Kempf, Y., Battarbee, M., Turc, L., Brito, T., Grandin, M., Hoilijoki, S., Sandroos, A. & von Alfthan, S. (2018). Vlasov methods in space physics and astrophysics. Living Reviews in Computational Astrophysics, 4, 1. doi: 10.1007/s41115-018-0003-2](https://link.springer.com/article/10.1007/s41115-018-0003-2)
 - [von Alfthan, S., Pokhotelov, D., Kempf, Y., Hoilijoki, S., Honkonen, I., Sandroos, A. & Palmroth, M. (2014). Vlasiator: First global hybrid-Vlasov simulations of Earth's foreshock and magnetosheath . Journal of Atmospheric and Solar-Terrestrial Physics , 120, 24 - 35. doi: http://dx.doi.org/10.1016/j.jastp.2014.08.012](http://www.sciencedirect.com/science/article/pii/S1364682614001916)
+
+[<img src="https://github.com/zulip/zulip/blob/main/static/images/logo/zulip-icon-128x128.png" width="32"/>](https://zulip.com) Sponsored by Zulip, an open-source modern team chat app designed to keep both live and asynchronous conversations organized.