My changes
Merge https://github.com/jkallas/Assignment-4

Conflicts:
	Assignment4.DataStructures/Door/DoorGroup.cs
	Assignment4.DataStructures/Person/PersonGroup.cs
	Assignment4.UI/MainPage.cs
commited
Merge branch 'master' of https://github.com/jkallas/Assignment-4

Conflicts:
	Assignment4.DataStructures/Person/PersonGroup.cs
	Assignment4.UI/MainPage.cs.orig