1.0.2

Fix: issue#2 Animate snowflakes only on Page Visibility https://www.w3.org/TR/page-visibility/

1.0.1

Seperated Santas hat and Snow stylesheets
Removed JavaScript in Santas hat integration
Added namespace to Snow JavaScript, so it can be initialized from host application
```
 Christmasify.snow.init('container_selector_id'
```