-Event Scheduler

-event scheduler implemented
-added tab icon
-**known bug is that the keyboard first responder is not resigning when
adding an event
Merge branch 'master' of https://github.com/ThePenguin1140/NSO-App

Conflicts:
	NSO-App.xcodeproj/project.pbxproj
	NSO-App/en.lproj/MainStoryboard.storyboard