Fix a small error in runtests and add a sed script for
-rw-r--r-- 18007 COPYING
drwxr-xr-x - checks
drwxr-xr-x - collection
drwxr-xr-x - debian
drwxr-xr-x - depcheck
drwxr-xr-x - doc
drwxr-xr-x - frontend
drwxr-xr-x - lib
drwxr-xr-x - man
drwxr-xr-x - private
drwxr-xr-x - reporting
drwxr-xr-x - testset
drwxr-xr-x - unpack