mv-shell integrates with shell-mode in order to keep buffers in sync when
moving files around. If you enter a 'mv' command on a file that has a buffer opened,
the buffer is also renamed and moved to the location the file is moved to.
To install, put this file somewhere in your load-path and add the following
to your .emacs file:
Keeps buffers in sync when executing 'mv' in shell-mode.