Add OpenLayers.

EXAMPLES

@@ -26,6 +26,7 @@ included, please mail to `the Google group
 * NetworkX: http://networkx.lanl.gov/
 * NumPy: http://docs.scipy.org/doc/numpy/reference/
 * ObjectListView: http://objectlistview.sourceforge.net/python
+* OpenLayers: http://docs.openlayers.org/
 * Paste: http://pythonpaste.org/script/
 * Paver: http://www.blueskyonmars.com/projects/paver/
 * Py on Windows: http://timgolden.me.uk/python-on-windows/