Fixed few tidy errors

components/script/dom/Test_mapping.json

@@ -1,10 +1,8 @@
 {
-  "xmlhttprequest.rs":
-  [
-       "XMLHttpRequest"
+  "xmlhttprequest.rs": [
+    "XMLHttpRequest"
   ],
-  "range.rs":
-  [
-         "dom/ranges"
+  "range.rs": [
+    "dom/ranges"
   ]
 }

etc/ci/mutation_test.py

@@ -1,4 +1,12 @@
-import sys
+# Copyright 2013 The Servo Project Developers. See the COPYRIGHT
+# file at the top-level directory of this distribution.
+#
+# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+# option. This file may not be copied, modified, or distributed
+# except according to those terms.
+
 import subprocess
 
 subprocess.call('python python/servo/mutation/init.py components/script/dom', shell=True)

python/servo/mutation/init.py

@@ -1,16 +1,27 @@
+# Copyright 2013 The Servo Project Developers. See the COPYRIGHT
+# file at the top-level directory of this distribution.
+#
+# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+# option. This file may not be copied, modified, or distributed
+# except according to those terms.
+
 from os import listdir
 from os.path import isfile, isdir, join
 import json
 import sys
 import test
 
+
 def get_folders_list(path):
     folder_list = []
     for filename in listdir(path):
-    	if (isdir(join(path, filename))):
-			folder_name = join(path,filename)
-			folder_list.append(folder_name)
-    return(folder_list)
+        if (isdir(join(path, filename))):
+            folder_name = join(path, filename)
+            folder_list.append(folder_name)
+        return(folder_list)
+
 
 def mutation_test_for(mutation_path):
     test_mapping_file = join(mutation_path, 'Test_mapping.json')
@@ -19,11 +30,11 @@ def mutation_test_for(mutation_path):
         test_mapping = json.loads(json_data)
 
         for src_file in test_mapping.keys():
-            test.mutation_test(join(mutation_path,src_file.encode('utf-8')), test_mapping[src_file])
+            test.mutation_test(join(mutation_path, src_file.encode('utf-8')), test_mapping[src_file])
 
         for folder in get_folders_list(mutation_path):
             mutation_test_for(folder)
     else:
-		print ("This folder %s has no test mapping file." %(mutation_path))
+        print("This folder {0} has no test mapping file.".format(mutation_path))
 
 mutation_test_for(sys.argv[1])

python/servo/mutation/test.py

@@ -1,15 +1,26 @@
+# Copyright 2013 The Servo Project Developers. See the COPYRIGHT
+# file at the top-level directory of this distribution.
+#
+# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+# option. This file may not be copied, modified, or distributed
+# except according to those terms.
+
 import fileinput
 import re
 import subprocess
 import sys
 
+
 def mutate_line(file_name, line_number):
     lines = open(file_name, 'r').readlines()
     lines[line_number - 1] = re.sub(r'\s&&\s', ' || ', lines[line_number - 1])
     out = open(file_name, 'w')
     out.writelines(lines)
     out.close()
 
+
 def mutation_test(file_name, tests):
     lineNumbers = []
     for line in fileinput.input(file_name):