Added OpenId Module.

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

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

@@ -0,0 +1,11 @@
+
+CREATE TABLE openid_consumers(
+   `cid` INTEGER PRIMARY KEY NOT NULL CHECK(`cid`>=0),
+   `name` VARCHAR(255) NOT NULL,
+   `endpoint`  VARCHAR (255) NOT NULL,
+   CONSTRAINT `cid`
+    UNIQUE(`cid`),
+   CONSTRAINT `name`
+    UNIQUE(`name`)
+   );
+