updated link to online documentation

Author: dacoex

pandas/info.py

@@ -2,7 +2,7 @@
 pandas - a powerful data analysis and manipulation library for Python
 =====================================================================
 
-See http://pandas.sourceforge.net for full documentation. Otherwise, see the
+See http://pandas.pydata.org/ for full documentation. Otherwise, see the
 docstrings of the various objects in the pandas namespace:
 
 Series