Quite pointless Y values in small graphs

[quimgil]

If you look at the orange graphs at http://korma.wmflabs.org/browser/ you will see the values in the Y axis, almost touching each other. Half of them are not useful. In fact, with such level of non-detail, only two would do the same, and keep the page cleaner: a top value at the top and a mid value in the middle. If you want to be a purist you can keep the "0" on the x axys but that's it.