uniquify & advice

[Miles Bader]

uniquify.el still uses `defadvice' for some of its functionality;
shouldn't we just add appropriate code (or hooks) to the underlying
functions instead?

Here's what it uses:

   (defadvice rename-buffer (after rename-buffer-uniquify activate)
     "Uniquify buffer names with parts of directory name."

   (defadvice create-file-buffer (after create-file-buffer-uniquify activate)
     "Uniquify buffer names with parts of directory name."

-Miles
-- 
"I distrust a research person who is always obviously busy on a task."
   --Robert Frosch, VP, GM Research