New Project: graphhopper, replacing OpenRouteService #83
* entry in js/data.json: introduction text and license info from https://github.com/graphhopper/graphhopper
* logo uses http://graphhopper.com/maps/img/icon.png , resized to 128×128 and put on 160×160 canvas
* deletes entry in js/data.json and logo of OpenRouteService
Merge pull request #94 from yuwash/graphhopper

New Project: graphhopper #83