Add Ceph.

EXAMPLES

@@ -146,6 +146,7 @@ Documentation using a custom theme/integrated in a site
 
 * Blender: http://www.blender.org/documentation/250PythonDoc/
 * Blinker: http://discorporate.us/projects/Blinker/docs/
+* Ceph: http://ceph.com/docs/master/
 * Classy: http://classy.pocoo.org/
 * DEAP: http://deap.gel.ulaval.ca/doc/0.8/index.html
 * Django: http://docs.djangoproject.com/