Refactored ShortcutManager to use properties instead.
Using initWithSuiteName instead of standardUserDefaults.
Merge branch 'master' of https://github.com/realitylabs/presence-widget

Conflicts:
	PresenceApp/PresenceKit/ShortcutManager.h
	PresenceApp/PresenceKit/ShortcutManager.m
	PresenceApp/PresenceWidget/TodayViewController.m