add requirements

requirements.txt

+# This file is here because many Platforms as a Service look for
+#	requirements.txt in the root directory of a project.
+-r requirements/production.txt

requirements/base.txt

+amqp==1.0.13
+anyjson==0.3.3
+argparse==1.2.1
+billiard==2.7.3.32
+celery==3.0.23
+distribute==0.6.24
+kombu==2.5.14
+netaddr==0.7.10
+python-dateutil==2.1
+six==1.4.1
+wsgiref==0.1.2
+

requirements/local.txt

+# Local development dependencies go here
+-r base.txt

requirements/production.txt

+# Pro-tip: Try not to put anything here. There should be no dependency in
+#	production that isn't in development.
+-r base.txt
+

requirements/test.txt

+# Test dependencies go here.
+-r base.txt