Update for 2021!

.generatePdf.mk

Accounts.md

Batch-Systems.md

Environment.md

JURON.md

JUWELS.md

More.md

Profiling-Nvidia_Visual_Profiler-nvprof.md

Profiling-scorep-Vampir.md

README.md

communication/aherten-introduction.pdf

communication/email1.md

communication/email2.md

img/screenshot-cube--HQ.png

img/screenshot-nvprof-1--HQ.png

img/screenshot-nvvp-osx--HQ.png

img/screenshot-vampir.png

pdf/Accounts.pdf

pdf/Batch-Systems.pdf

pdf/JURON.pdf