[release-notes] Created tag 21.05

[Pete Travis]

The signed tag '21.05' was created.

Tagger: Pete Travis <immanetize at fedoraproject.org>
Date: Mon Sep 15 22:10:51 2014 -0600

    prerelease draft with improved desktop file

Changes since the last tag '21.04':

Pete Travis (3):
      updating launch path in desktop file
      if you have the repo on more than one machine, commits are still important
      fix webapp.desktop path, and fall back to default html handler if gnome w/o epiphany