Added OpenId Module.

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

modules/openid/persitence/cms_openid_storage_null.e

@@ -0,0 +1,60 @@
+note
+	description: "Summary description for {CMS_OPENID_STORAGE_NULL}."
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	CMS_OPENID_STORAGE_NULL
+
+inherit
+
+	CMS_OPENID_STORAGE_I
+
+
+feature -- Error handler
+
+	error_handler: ERROR_HANDLER
+			-- Error handler.
+		do
+			create Result.make
+		end
+
+feature -- Access: Users
+
+	user_openid_by_userid_identity (a_uid: like {CMS_USER}.id; a_identity: READABLE_STRING_GENERAL): detachable CMS_USER
+			-- <Precursor>
+		do
+		end
+
+	user_openid_by_identity (a_identity: READABLE_STRING_GENERAL;): detachable CMS_USER
+			-- <Precursor>
+		do
+		end
+
+feature -- Access: Consumers
+
+	openid_consumers: LIST [STRING]
+			-- <Precursor>
+		do
+			create {ARRAYED_LIST[STRING]}Result.make(0)
+		end
+
+	openid_consumer_by_name (a_name: READABLE_STRING_8): detachable CMS_OPENID_CONSUMER
+			-- <Precursor>
+		do
+		end
+
+feature -- Change: User Oauth2
+
+	new_user_openid (a_token: READABLE_STRING_GENERAL; a_user: CMS_USER)
+			-- <Precursor>
+		do
+		end
+
+	update_user_openid (a_token: READABLE_STRING_GENERAL; a_user_profile: READABLE_STRING_32; a_user: CMS_USER; a_consumer_table: READABLE_STRING_GENERAL )
+			-- Update user `a_user' with oauth2 authentication.
+		do
+		end
+
+
+end