[docu] add a script that checks if runtime parameters have been added or

deleted

The script should be run and acted upon before every release. This has
been added to the release manager's tasks.

Reviewed by Thomas.



git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@14063 2fb0f335-1f38-0410-981e-8018bf24f1b0