More usability.

generate.py

@@ -115,12 +115,17 @@ def main():
         makefile = os.path.join(template_path, 'Makefile')
         cpp = os.path.join(template_path, 'experiment.cpp')
 
+        try:
+            output_path = experiment['output']
+        except KeyError:
+            output_path = cwd
+
         print('[{}/{}] Creating experiment {}:'.format(num + 1,
                                                        len(args.description),
                                                        experiment['name']),
               file=sys.stderr)
 
-        experiment_dir = os.path.join(cwd, experiment['name'])
+        experiment_dir = os.path.join(output_path, experiment['name'])
 
         # Create folder
         print('Create folder…', experiment_dir, file=sys.stderr)