Ы
Merge branch 'master' of https://github.com/treningit/pile

Conflicts:
	ProductGroup/ProductGroup/ContractingParties.cs
	ProductGroup/ProductGroup/Exception.cs
	ProductGroup/ProductGroup/Heirs_Class.cs
	ProductGroup/ProductGroup/Interface's.cs
	ProductGroup/ProductGroup/LogicDoIt.cs
	ProductGroup/ProductGroup/Product.cs
	ProductGroup/ProductGroup/ProductGroup.sln
	ProductGroup/ProductGroup/ProductGroup.suo
	ProductGroup/ProductGroup/Program.cs
re