Integrate Authentication modules.

Updated code for sql that should not use parameters
   to expand :table_name in table name usage,
   since Eiffel Store will use quote,
   and MySQL does not like them.

Merge remote-tracking branch 'jvelilla/roc_auth_v1' into ewf_v1_mod_env

Conflicts:
	examples/demo/demo-safe.ecf
	modules/auth/cms_authentication_module.e

examples/demo/site/modules/oauth20/templates/block_login.tpl

@@ -0,0 +1,7 @@
+ 	<div class="primary-tabs">
+ 		<div>
+			{foreach item="item" from="$oauth_consumers"}
+				<a href="{$site_url/}account/login-with-oauth/{$item/}">Login with {$item/}</a><br>
+			{/foreach}	
+		</div>    	
+	</div>