CHANGES msg added for issue2550881 fix.

Author: bernhardreiter

CHANGES.txt

@@ -158,6 +158,8 @@ Fixed:
 - Doctests for roundup.date.Date are now really executable and don't
   fail. Bug-Fixes in range properties, open intervals with 'to' didn't
   always work. (Ralf Schlatterbeck)
+- issue2550881 demo.py: Add pointer how to access demo from remote host.
+  Suggested by Karl-Philipp Richter. (Bernhard Reiter)
 
 
 2013-07-06: 1.5.0