setuptools script don't copy templates, fix for that

$ python2.7 setup.py build
...
copying pyramid_debugtoolbar/panels/templates/headers.jinja2 -> build/lib/pyramid_debugtoolbar/panels/templates
copying pyramid_debugtoolbar/panels/templates/logger.jinja2 -> build/lib/pyramid_debugtoolbar/panels/templates
copying pyramid_debugtoolbar/panels/templates/performance.jinja2 -> build/lib/pyramid_debugtoolbar/panels/templates
...

setup.py

@@ -48,6 +48,12 @@
       license="BSD",
       packages=find_packages(),
       include_package_data=True,
+      package_data={
+          'pyramid_debugtoolbar.panels': [
+              '*.jinja2',
+              'templates/*'
+          ],
+      },
       zip_safe=False,
       install_requires=install_requires,
       tests_require=install_requires,