Changeset 3011 for trunk/sources/HeuristicLab.Hive.Server.DataAccess/3.2/IClientGroupDao.cs

changed the complete DAL to LINQ 2 SQL (with the exception of the job streaming), did a lot of refactoring, Introduced DTOs (that are named DTOs for better understanding), added the spring.NET Interceptor, reintroduced transactions and cleaned up the whole JobResult thing and updated a part of the config merger (#830)