New Listing Window

Created the new listing window and made some edits to the controller and
main window
xml file

some random xml
Merge remote-tracking branch 'origin/Matthews'

Conflicts:
	UsedBookStore311/UsedBookStore/Controller.cs
	UsedBookStore311/UsedBookStore/Listing.cs
	UsedBookStore311/UsedBookStore/MainWindow.cs
	UsedBookStore311/UsedBookStore/bin/Debug/UsedBookStore.exe
	UsedBookStore311/UsedBookStore/bin/Debug/UsedBookStore.pdb
	UsedBookStore311/UsedBookStore/obj/Debug/DesignTimeResolveAssemblyReferences.cache
	UsedBookStore311/UsedBookStore/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache
	UsedBookStore311/UsedBookStore/obj/Debug/UsedBookStore.csproj.FileListAbsolute.txt
	UsedBookStore311/UsedBookStore/obj/Debug/UsedBookStore.csproj.GenerateResource.Cache
	UsedBookStore311/UsedBookStore/obj/Debug/UsedBookStore.csprojResolveAssemblyReference.cache
	UsedBookStore311/UsedBookStore/obj/Debug/UsedBookStore.exe
	UsedBookStore311/UsedBookStore/obj/Debug/UsedBookStore.pdb
	UsedBookStore311/UsedBookStore311.v11.suo