Encode data as utf-8 during csv export

[anonymous]

If the database utf-8 encoded data is used it cannot be exported as the csvwriter will convert to ascii automatically.

Below is a small fix to solve the problem:

hours.py

@@ -1015 +1015 @@
 
         for groupname, results in data['groups']:
             if groupname:
-                writer.writerow(unicode(groupname).encode('utf-8'))
-            writer.writerow([unicode(header['label']).encode('utf-8') for header in data['headers']])
+                writer.writerow(groupname)
+            writer.writerow([header['label'] for header in data['headers']])
             for result in results:
-                writer.writerow([unicode(result[header['name']]).encode('utf-8') 
+                writer.writerow([result[header['name']] 
                                  for header in data['headers']])
             writer.writerow([])