Made CMS_MODULE.name deferred, and implemented by constant so that it can be use as static call.

Copied site resources on related module source folder.
Renamed "login" module as "auth" module, and updated related locations and files.

modules/oauth20/site/scripts/oauth2_consumers.sql

@@ -0,0 +1,18 @@
+
+CREATE TABLE oauth2_consumers(
+   `cid` INTEGER PRIMARY KEY NOT NULL CHECK(`cid`>=0),
+   `name` VARCHAR(255) NOT NULL,
+   `api_secret` TEXT  NOT NULL,
+   `api_key` TEXT NOT NULL,
+   `scope` VARCHAR (100) NOT NULL,
+   `protected_resource_url` VARCHAR (255) NOT NULL,
+   `callback_name` VARCHAR(255) NOT NULL,
+   `extractor` VARCHAR(50) NOT NULL,
+   `authorize_url` VARCHAR (255) NOT NULL,
+   `endpoint`  VARCHAR (255) NOT NULL,
+   CONSTRAINT `cid`
+    UNIQUE(`cid`),
+   CONSTRAINT `name`
+    UNIQUE(`name`)
+   );
+

modules/oauth20/site/scripts/oauth2_consumers_initialize.sql

@@ -0,0 +1,7 @@
+	-- Change the values TO_COMPLETE based on your API.
+	-- API SECTET KEY AND API PUBLIC KEY 
+INSERT INTO oauth2_consumers (name, api_secret, api_key, scope, protected_resource_url, callback_name, extractor, authorize_url, endpoint) 
+VALUES ('google', 'TO-COMPLETE', 'TO-COMPLETE', 'email', 'https://www.googleapis.com/plus/v1/people/me', 'callback_google', 'json','https://accounts.google.com/o/oauth2/auth?response_type=code&client_id=$CLIENT_ID&redirect_uri=$REDIRECT_URI','https://accounts.google.com/o/oauth2/token');
+
+INSERT INTO oauth2_consumers (name, api_secret, api_key, scope, protected_resource_url, callback_name, extractor, authorize_url, endpoint ) 
+VALUES ('facebook', 'TO-COMPLETE', 'TO-COMPLETE', 'email', 'https://graph.facebook.com/me', 'callback_facebook','text','https://www.facebook.com/dialog/oauth?response_type=code&client_id=$CLIENT_ID&redirect_uri=$REDIRECT_URI','https://graph.facebook.com/oauth/access_token');

modules/oauth20/site/scripts/oauth2_table.sql.tpl

@@ -0,0 +1,10 @@
+
+CREATE TABLE $table_name (
+   `uid` INTEGER PRIMARY KEY NOT NULL CHECK(`uid`>=0),
+   `access_token` TEXT  NOT NULL,
+   `created` DATETIME NOT NULL,
+   `details` TEXT NOT NULL,
+   CONSTRAINT `uid`
+    UNIQUE(`uid`)
+   );
+