Unit of work pattern
UnitOfWork implementation
Merge branch 'master' into dal_shit

Conflicts:
	src/CBO-Bank-Credit-System/CBO.CS.Dal/CreditTargetRepository.cs
	src/CBO-Bank-Credit-System/CBO.CS.Dal/UnitOfWork.cs
Merge branch 'master' into dal_shit

Conflicts:
	src/CBO-Bank-Credit-System/CBO.CS.Dal/RepositoryBase.cs
	src/CBO-Bank-Credit-System/CBO.CS.Dal/UnitOfWork_mikola.cs
	src/CBO-Bank-Credit-System/CBO.CS.Entities/Credits/CreditProduct.cs
Merge branch 'master' into dal_shit
Merge branch 'master' into dal_shit