[bug] Autoscroll example doesn't work

[Shtille]

An example provided for Autoscroll plugin doesn't work: https://jsbin.com/xecihez/edit?html,js,output

View is not being scrolled when drag item up or down.

[jannes-io]

@Shtille If the list isn't scrollable, then no auto scrolling will be done.

To fix in your example:

- style="overflow: hidden; height: 300px;"
+ style="overflow: auto; height: 300px;"