Add more plugins, include workerman and swoole

• Plugins for mysql,redis,memcache [included icon] #34

• Support workerman and soole !!! Example !!! #146

• Support multiple PHP applications !!! Example !!! #137

< index.php >
define('PLUGINS_DIR',__DIR__.'/../Plugins/');
define('APPLICATION_NAME','APP-2');                              <------------------ Name
define('APPLICATION_ID','app-2');                                <------------------ ID