Fixed format
Merge branch 'master' of https://github.com/mapzen/valhalla into gdg
Merge pull request #32 from mapzen/dwn

Add graph tile builder
Merge branch 'master' of https://github.com/mapzen/valhalla into gdg
Added EdgeInfoBuilder
Merge pull request #33 from mapzen/gdg

Added EdgeInfoBuilder
Merge remote-tracking branch 'origin/master' into dwn
Back out pbfgraphbuilder until we get osm proto stuff in place.