[gnome-builder] README: update download link

[Christian Hergert <chergert src gnome org>]

commit 37722cc514ab24faffd813485ef1036b23490a82
Author: Christian Hergert <christian hergert me>
Date:   Fri Jan 2 14:37:42 2015 -0800

    README: update download link

 README |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/README b/README
index 7fe1b8d..2fec6fc 100644
--- a/README
+++ b/README
@@ -3,7 +3,7 @@ Builder - Develop software for GNOME
 
 Bugs: https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-builder
 Design: https://live.gnome.org/Design/Apps/Builder
-Download: http://download.gnome.org/sources/gnome-builder
+Download: We have not yet made a tarball release.
 Git: http://git.gnome.org/browse/gnome-builder
 Website: https://wiki.gnome.org/Apps/Builder
 IRC: irc.gimp.net #gnome-builder