Changed postgresql configuration.
Added winston logs for qr codes. Generation of qr codes is now surrounded by a try/catch block
Added process.uncaughtException for debugging purposes
Added error management in restify server
Added error management in restify server
Added error management in restify server
Removed error management in restify server
Added restify query parser
Fixed mispelled variable name in QrCode
Returning now a json object, with location as the key for the qrcode URL