DOC: update copyright string years

Author: y-p

doc/source/conf.py

@@ -63,8 +63,8 @@
 master_doc = 'index'
 
 # General information about the project.
-project = u'pandas'
-copyright = u'2008-2012, the pandas development team'
+project = u('pandas')
+copyright = u('2008-2014, the pandas development team')
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the