Added Recipes and it's materials delete to context menus. Some problems solved with recipes.
Merge branch 'master' of https://github.com/wldchld/IMAProject

Conflicts:
	InventoryManagementApplicationProject/MainWindow.xaml.cs.orig
Merge branch 'master' of https://github.com/wldchld/IMAProject

Conflicts:
	InventoryManagementApplicationProject/MainWindow.xaml.cs
	InventoryManagementApplicationProject/MainWindow.xaml.cs.orig