Added OpenId Module.

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

examples/demo/site/modules/openid/scripts/openid_items.sql

@@ -0,0 +1,11 @@
+
+CREATE TABLE openid_items (
+   `uid` INTEGER PRIMARY KEY NOT NULL CHECK(`uid`>=0),
+   `identity` TEXT  NOT NULL,
+   `created` DATETIME NOT NULL,
+   CONSTRAINT `uid`
+    UNIQUE(`uid`),
+    CONSTRAINT `identity`
+    UNIQUE(`identity`)
+   );
+