copy in of11 package

These modules were copied from the oft-1.1 branch.
diff --git a/src/python/of11/__init__.py b/src/python/of11/__init__.py
new file mode 100644
index 0000000..c4407ee
--- /dev/null
+++ b/src/python/of11/__init__.py
@@ -0,0 +1,8 @@
+"""
+Python OpenFlow 1.0 library
+
+Most of the files in this package are automatically generated by tools/munger.
+They are checked in to simplify running OFTest.
+"""
+
+__all__ = ["action_list", "action", "cstruct", "error", "message", "parse"]