Minor fixes to gyp_libyuv.py

Fixed invalid references left from
the copied gyp_webrtc.

This CL will also add svn:ignore on a
bunch of directories to speed up builds
(less unnecessary delete + redownload).

It also adds the executable bit to
gyp_libyuv.

R=fbarchard@google.com

Review URL: https://webrtc-codereview.appspot.com/10889004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@992 16f28f9a-4ce2-e073-06de-1de4eb20be90

gyp_libyuv.py

@@ -8,14 +8,18 @@
 # in the file PATENTS. All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
+
+# This script is a modified copy of the src/build/gyp_chromium.py file. 
+# It is needed for parallel processing.
+
 # This file is (possibly, depending on python version) imported by
-# gyp_webrtc when GYP_PARALLEL=1 and it creates sub-processes
+# gyp_libyuv when GYP_PARALLEL=1 and it creates sub-processes
 # through the multiprocessing library.
 
 # Importing in Python 2.6 (fixed in 2.7) on Windows doesn't search for
 # imports that don't end in .py (and aren't directories with an
-# __init__.py). This wrapper makes "import gyp_webrtc" work with
-# those old versions and makes it possible to execute gyp_webrtc.py
+# __init__.py). This wrapper makes "import gyp_libyuv" work with
+# those old versions and makes it possible to execute gyp_libyuv.py
 # directly on Windows where the extension is useful.
 
 import os

source/convert.cc

+//test
 /*
  *  Copyright 2011 The LibYuv Project Authors. All rights reserved.
  *