It may be possible to actually clean up dpkg's dpkg-new files.

 1) Make /etc/dotdee.xml dotdee managed
    - set a header, footer, and the /etc/dotdee watch

 2) Dynamically add watches when other files get --setup,
    remove them when --undo

 3) When .dpkg-new shows up, mv it to the 50-original
    spot


Issues:
 - Files installed to /etc and other places are handled differently.

