Update GraphId to use uint64 for value. Add some fields to nodeinfo
and use struct to compress into bitfield for some attributes
try to get latest zmq as we'll need it at some point
circleci..
circleci..
was missing init of classification
Merge pull request #4 from valhalla/additional_tags_gk

was missing init of classification
Merge pull request #3 from valhalla/dwn

Add some fields to nodeinfo
Merge pull request #2 from valhalla/gdg

Added ExitSign and Refactored EdgeInfo