Added dependency & Custom attributes options

while enqueue a script now you can add dependency of that file like below
```php
$queue->script_enqueue('jQueryui','jQueryui.min.js','1.11.0','jQuery','',false);
$queue->script_enqueue('jQuery','jQuery.min.js','1.11.0','','',false);
```
Custom Attributes
=================
$attr = array('SHOW' => 'HIDE','WHAT' => 'NONE');
$queue->script_enqueue('jQueryMobile','jquery.mobile.min.js','1.11.0','jQuery','',$aatt,false);