Exclude tests from wheel

As the wheel's primary purpose is to be installed in a virtualenv or on a
system, the tests for testrunner itself are unnecessary to include. Including
them also makes distro-tooling such as Arch Linux's namcap produce noisy
warnings regarding missing dependencies.

The tests are still included in the sdist as per the MANIFEST.in file.

setup.py

@@ -90,7 +90,7 @@ def read(*names):
     long_description=long_description,
     author='Zope Foundation and Contributors',
     author_email='[email protected]',
-    packages=find_namespace_packages(where='src'),
+    packages=find_namespace_packages(where='src', exclude=['zope.testrunner.tests*']),
     package_dir={'': 'src'},
     classifiers=[
         "Development Status :: 5 - Production/Stable",
@@ -123,6 +123,6 @@ def read(*names):
         'distutils.commands': [
             'ftest = zope.testrunner.eggsupport:ftest'],
     },
-    include_package_data=True,
+    include_package_data=False,
     zip_safe=False,
 )