Added OpenId Module.

Better way to present handle authentication strategies in the view using tabs.

modules/openid/cms_openid_constants.e

@@ -0,0 +1,16 @@
+note
+	description: "Summary description for {CMS_OPENID_CONSTANTS}."
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	CMS_OPENID_CONSTANTS
+
+feature -- Access
+
+	openid_session: STRING = "EWF_ROC_OPENID_TOKEN_"
+			-- Name of Cookie used to keep the session info.
+			-- FIXME: make this configurable.
+
+	consumer: STRING = "consumer"
+end