Adding predicative settings
Added geohash, lat, lng props to Location
Added lat, lng, geohash to bid request.
Added geo data to bid_request. Added predicative augmentor to examples.
Modified bid_request.h to include geo. Merged in upstream
Build example augmentors only.
Removed predicative augmentor
rebased master to upstream
Merge branch 'master' of github.com:predicativedotcom/rtbkit