update tray.js (#26)
update tray.js (#26)

seperated toggle function, fixed toggle behavior on Windows (fixes
minimized Ramme window being closed instead of restored when clicking
the tray icon), changed lower case "ramme" on tray tooltip to actual app
name which is "Ramme"
stephenkingsley/ramme,terkelg/ramme,anatolinicolae/ramme,VoOoLoX/ramme,anatolinicolae/ramme,terkelg/ramme,VoOoLoX/ramme