zurb/foundation — pull request #4952 by blueyed (2014-04-10 18:17:10+00:00)
Title: Orbit: bullets: call `_prepare_direction` before `_goto`

This is in line with other calls to `_goto`, which call
`_prepare_direction` before `_goto`.
See commit e577378ae6d772988bfef5f245069be664642fc7.

This fixes the animation when going to a previous slide.