[gnome-continuous] manifest: Switch to clutter-1.20

[Jasper St. Pierre <jstpierre src gnome org>]

commit 97e2cc14690163a1475df40ae0a74592c95b5d6e
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Tue May 20 07:53:46 2014 -0400

    manifest: Switch to clutter-1.20

 manifest.json |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index ea8e3c7..316f185 100644
--- a/manifest.json
+++ b/manifest.json
@@ -611,7 +611,7 @@
                                 "--enable-wayland-compositor",
                                 "--enable-egl-backend",
                                 "--enable-evdev-input"],
-                "branch": "clutter-1.18"},
+                "branch": "clutter-1.20"},
 
                {"src": "gnome:libnotify"},