Set defaults

When having a bunch of modals and you don't want to add ```data-remodal-options ``` attributes for each but change the global defaults.
Define this function:
```js
function remodalSetDefaults()
{
    return { hashTracking : false }; // override
}
```
then include the plugin
```html
<script type="text/javascript" src="jquery.remodal.js"></script>
````