GitLab

- apply transformations in Driver at print_task/prove_task

- accept timeout regexps in drivers
- do not take command line from drivers

- no more version.sh, use config.ml.in and version.tex.in instead
- dynlink compatibility is moved to config.ml
- comment out unused sections in Makefile
- provide the explicit --enable-ide option
- provide the explicit --enable-plugins option
- require at least Ocaml 3.10
- remove *-yes and *-no targets from Makefile,
  use ifeq() instead