Merge pull request #13 from valhalla/gdg

 Started to write out edgeinfo and text list
osmway refactor to reduce memory usage.
lane update.
removed osmway stuct.
new osmway class.
Merge pull request #14 from valhalla/osmway_refactor

Osmway refactor
Merge branch 'master' of https://github.com/valhalla/mjolnir into gdg