update about dialog, link to source code
update about dialog, link to source code

arduino-org/brackets-arduino,quasto/brackets-arduino,quasto/brackets-arduino,quasto/brackets-arduino,quasto/brackets-arduino,quasto/brackets-arduino,arduino-org/brackets-arduino,arduino-org/brackets-arduino,arduino-org/brackets-arduino,quasto/brackets-arduino,arduino-org/brackets-arduino,arduino-org/brackets-arduino