fix heroku config
fix heroku config

ruuvi/ruuvitracker_server,ruuvi/ruuvitracker_server,RuuviTracker/ruuvitracker_server,ruuvi/ruuvitracker_server,RuuviTracker/ruuvitracker_server,jsyrjala/ruuvitracker_server,jsyrjala/ruuvitracker_server,RuuviTracker/ruuvitracker_server,sushilhalai/GPS,sushilhalai/GPS