Fix trailing whitespace in scripts and misc. files

Tools/Scripts/webkitpy/common/system/user.py

Index: Tools/Scripts/webkitpy/common/system/user.py
diff --git a/Tools/Scripts/webkitpy/common/system/user.py b/Tools/Scripts/webkitpy/common/system/user.py
index c49429c0d2c837bbd734cf72fe5fc250b6a4e7e0..7a24f0c966a75fe3a6f2a1d8c9ed1ae647c72b4d 100644
--- a/Tools/Scripts/webkitpy/common/system/user.py
+++ b/Tools/Scripts/webkitpy/common/system/user.py
@@ -1,9 +1,9 @@
 # Copyright (c) 2009, Google Inc. All rights reserved.
-# 
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
-# 
+#
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ -13,7 +13,7 @@
 #     * Neither the name of Google Inc. nor the names of its
 # contributors may be used to endorse or promote products derived from
 # this software without specific prior written permission.
-# 
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR