commented out call to this.HierarchicalSaveCollection in Dal project
* commented out call to this.HierarchicalSaveCollection in Dal project
* restored NuGet packages
* updated ConnectionStrings.config to use mdf file for LeanEntities context
* updated the models in Core, and adding *Map files for entities
* updated OnModelCreating() to call those Maps
* updated ILeanDatabase with IQueryable<> gets
* removed the Configuration.cs in the Migrations folder
* ran Enable-Migrations against Dal project for LeanDatabase context, with Web project set as startup