Lokaltog/powerline — pull request #540 by EinfachToll (2013-06-10 11:17:21+00:00)
Title: New segment showing position of current view

Solves #539

The test I added is very basical, because… I think the code for testing should not be more complicated than the code actually tested.

In the new segment, I reused the highlight groups from line_percent. Don't know if this is OK.