currently every downstream module had it install from
the CI script

to avoid mismatches in formatting

that version reoves the necessity to add prefixes to license strings

which executes pylicense with all configs matching
"PROJECT_ROOT/.pylicense*.cfg"

This partially reverts commit 6356a2c1.
The script is still added, but the install requires for numa is removed
and the import delayed.

This cloes #29

This reverts commit ff1b19df.

This reverts commit b50a7d9b.
It was actually missing in dune-gdt, plus typo ridden too.