Replace bash-completion with a new package.
The previous bash-completion package hadn't been updated since 2006. A
new group has picked up the package and continued development. The old
completions should remain, so I'm not going to update UPDATING.
I'm taking maintainership of this as well. Many thanks to Kirk, the
New port: shells/bash-completion
The shells/bash-completion port installs Ian Macdonald's
programmable completion library for Bash 2.04 and above.
This gives users context- sensitive tab-completion for such
things as program arguments, SSH hostnames, NFS mounts, and
Submitted by: Kirk Strauser <email@example.com>