Upgrade midje and lein-midje to work with lein2
Upgrade midje and lein-midje to work with lein2

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