Added OpenId Module.

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

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

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+
+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`)
+   );
+

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

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+	-- Change the values TO_COMPLETE based on your API.
+	-- API SECTET KEY AND API PUBLIC KEY 
+INSERT INTO openid_consumers (name, endpoint) 
+VALUES ('yahoo', 'https://me.yahoo.com/');

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

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+
+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`)
+   );
+

examples/demo/site/modules/openid/templates/block_login.tpl

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+ <div>
+ 	<form action="{$site_url/}account/roc-openid-login" id="openid-login" method="POST">
+		<div>
+				<strong><label for="openid">OpenID identifier</label></strong><br/>
+				<input type="text" name="openid" value="" size="50"/>
+		</div>
+		<div><input type="submit" name="op" value="Validate"/></div>
+		<div hgv vtid="openid">Login with 			
+			{foreach item="item" from="$openid_consumers"}
+				<a href="{$site_url/}account/login-with-openid/{$item/}">{$item/}</a><br>
+			{/foreach}	
+	</form>
+	<div>
+	  {if isset="$error"}
+       <span><i>{$error/}</i></span> <br>
+      {/if}
+     </div> 
+</div>