Add link to GitHub source

views/layout.haml

@@ -35,7 +35,8 @@
         %p
            
         %p
-          An independent website by Adrian Short
+          %a{ :href => "https://github.com/adrianshort/suttonelections" }
+            An independent website by Adrian Short
         %p  
           Powered by data from 
           %a{ :href => "http://www.sutton.gov.uk/" }<