[referencer] UI message formatting

[John Spray]

On Thu, 2007-03-08 at 10:49 +1000, Kai Willadsen wrote:
> So, is there interest in having the dialogue strings use a more
> translator-friendly formatting method? and if so, which one?

The compose library looks like the Right Answer(tm), so I have checked
it into svn and updated readme/makefile appropriately.  I tried using it
in the onDeleteTag function and it seems to work fine.  Converting all
the rest of the messages will be something for a rainy day :-)

John