Add the plugin to $.fn

[DavidStrada]

Let me start by saying that this is a really cool scroll plugin, well done, one thing i notice is that you are not adding the plugin to the prototype of jquery $.fn. also that you are not returning the nodes, using $.each, so right now there is not a way to chain methods to the plugin.

Anyhow is really cool, thanks for doing it.

Regards,
David