road map
hotkey conflect
Merge branch 'feature/bootstrap' into develop
hotkey conflect
Merge branch 'feature/bootstrap' into develop

Conflicts:
	src/js/ShortcutController.js
navigate considered relationship
Merge branch 'feature/nevagateByPosition' into develop
no overlap when create
Merge branch 'feature/nonRamdomPosition' into develop
scale performance fixed.
Merge branch 'feature/scalePerformance' into develop