removed logging from c3p0 connection pool
removed logging from c3p0 connection pool

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