mixonic/ranked-model — pull request #55 by mattnimmermare (2013-10-09 10:23:26+00:00)
Title: Allow up and down positioning.

Thought it would be nice to just use `:up` and `:down` to move a record up and down:

``` ruby
@duck.update_attribute :row_order_position, :up # or "up"
@duck.update_attribute :row_order_position, :down # or "down"
```