Fixed link in README.md

Author: rijnb

README.md

@@ -4,7 +4,7 @@ Copyright (C) 2014 Stichting Mapcode Foundation (http://www.mapcode.com)
 
 ----
 
-**Online documentation can be found at: http://rijnb.github.io/mapcode-cpp/**
+**Online documentation can be found at: http://mapcode-foundation.github.io/mapcode-cpp/**
 
 
 ## The C/C++ Library: `mapcodelib/`