Croogo plugin: Setup tables on activation

activation method

		App::import('Model', 'CakeSchema');
		App::import('Model', 'ConnectionManager');
		include_once(APP.'plugins'.DS.'pluginname'.DS.'config'.DS.'schema'.DS.'schema.php');
		$db = ConnectionManager::getDataSource('default');

		//Get all available tables
		$tables = $db->listSources();

		$CakeSchema = new CakeSchema();
		$SubSchema = new PluginnameSchema();

		foreach ($SubSchema->tables as $table => $config) {
			if (!in_array($table, $tables)) {
				$db->execute($db->createSchema($SubSchema, $table));
			}
		}

		//Ignore the cache since the tables wont be inside the cache at this point
		@unlink(TMP . 'cache' . DS . 'models/cake_model_' . ConnectionManager::getSourceName($db). '_' . $db->config["database"] . '_list');
		$db->sources(true);