working on #223: Auto-detection of serial ports. Linux version ready
working on #223: Auto-detection of serial ports. Mac version ready even if a bit slow
new boards.txt with indexed vid and pid
adapted Platform.resolveDeviceByVendorIdProductId to new boards.txt format for vid and pid
refactored DefaultExecutor to ExternalProcessExecutor
working on #223: Auto-detection of serial ports. Windows version ready
working on #223: Auto-detection of serial ports. Speeding up mac and windows