fix android 2.x scroll but break other browsers

here is high definition video proof http://www.youtube.com/watch?v=bekfcazGqsw

the downside of this pull request is that it breaks ios compatibility. :cat2: :cat2: :cat2: 

I figured I should make this pull req anyway so that there is a historical record of the weird shit android 2 browser does. in @gather i have to use JS to set the correct styles https://github.com/maxogden/ViewKit/blob/master/lib/components/list/list.css#L2-5 but I didnt wanna add any more new hacks to this repo so i'll let you figure it out