Fix isMinimized API documentation
win: Fix tray context menu in high DPI mode
Merge pull request #516 from alexwhitman/patch-1

Fix isMinimized API documentation
Merge pull request #518 from HackPlan/menudpi

win: Fix tray context menu in high DPI mode
mac: Implement global keyboard shortcut API.
win: Implement global keyboard shortcut API.
linux: Implement global keyboard shortcut API.