Adding tests to packaging

Author: eandersson

setup.py

@@ -11,7 +11,7 @@
       author='Erik Olof Gunnar Andersson',
       author_email='me@eandersson.net',
       include_package_data=True,
-      packages=['amqpstorm'],
+      packages=['amqpstorm', 'amqpstorm.tests'],
       license='MIT License',
       url='http://github.com/eandersson/amqp-storm',
       install_requires=['pamqp>=1.6.1,<2.0'],