jk_chrootsh to be called -su, it improves argument handling and error messages, and
makes jk_cp honor the -j option again.
Also remove maintainer.
Tested on powerpc@ and amd64@
OK sebastia@ (EX-Maintainer ;)
Jailkit is a set of utilities to limit user accounts to specific
files using chroot() and or specific commands. Setting up a chroot
shell, a shell limited to some specific command, or a daemon inside
a chroot jail is a lot easier and can be automated using these utilities.
After merging in what ajacoutot@ already had, and some final feedback from
him, OK ajacoutot@