Update qs and other dependencies

Squashed commit of the following:

commit 7570d9b891dd8adaa5e1713628f50b32c61278b7
Author: Michael Garvin <gar@andyet.net>
Date:   Tue Aug 12 10:40:07 2014 -0700

    more dependency updates

commit 5a5ecd5a831ca78659258ede07ad28e35fbb3605
Author: Luke Karrys <lukekarrys@gmail.com>
Date:   Tue Aug 12 10:18:59 2014 -0700

    install browserify to devDeps

commit f82dccb06c1e549fc61acbd76c5358cf235dc295
Author: Michael Garvin <gar@andyet.net>
Date:   Tue Aug 12 09:50:24 2014 -0700

    Update qs

    Patch tests to adhere to
    http://www.w3.org/TR/html401/interact/forms.html#h-17.13.4.1
2.0.1