Put a copy of the wptrunner harness in-tree.

This is the same configuration as gecko and is convenient for making changes compared
to using releases from pypi

tests/wpt/harness/setup.py

@@ -0,0 +1,73 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import glob
+import os
+import sys
+import textwrap
+
+from setuptools import setup, find_packages
+
+here = os.path.split(__file__)[0]
+
+PACKAGE_NAME = 'wptrunner'
+PACKAGE_VERSION = '1.14'
+
+# Dependencies
+with open(os.path.join(here, "requirements.txt")) as f:
+    deps = f.read().splitlines()
+
+# Browser-specific requirements
+requirements_files = glob.glob(os.path.join(here, "requirements_*.txt"))
+
+profile_dest = None
+dest_exists = False
+
+setup(name=PACKAGE_NAME,
+      version=PACKAGE_VERSION,
+      description="Harness for running the W3C web-platform-tests against various products",
+      author='Mozilla Automation and Testing Team',
+      author_email='tools@lists.mozilla.org',
+      license='MPL 2.0',
+      packages=find_packages(exclude=["tests", "metadata", "prefs"]),
+      entry_points={
+          'console_scripts': [
+              'wptrunner = wptrunner.wptrunner:main',
+              'wptupdate = wptrunner.update:main',
+          ]
+      },
+      zip_safe=False,
+      platforms=['Any'],
+      classifiers=['Development Status :: 4 - Beta',
+                   'Environment :: Console',
+                   'Intended Audience :: Developers',
+                   'License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)',
+                   'Operating System :: OS Independent'],
+      package_data={"wptrunner": ["executors/testharness_marionette.js",
+                                  "executors/testharness_webdriver.js",
+                                  "executors/reftest.js",
+                                  "executors/reftest-wait.js",
+                                  "testharnessreport.js",
+                                  "testharness_runner.html",
+                                  "config.json",
+                                  "wptrunner.default.ini",
+                                  "browsers/server-locations.txt",
+                                  "browsers/b2g_setup/*",
+                                  "prefs/*"]},
+      include_package_data=True,
+      data_files=[("requirements", requirements_files)],
+      install_requires=deps
+     )
+
+if "install" in sys.argv:
+    path = os.path.relpath(os.path.join(sys.prefix, "requirements"), os.curdir)
+    print textwrap.fill("""In order to use with one of the built-in browser
+products, you will need to install the extra dependencies. These are provided
+as requirements_[name].txt in the %s directory and can be installed using
+e.g.""" % path, 80)
+
+    print """
+
+pip install -r %s/requirements_firefox.txt
+""" % path