Merge pull request #16 from hudo/master

Entity Framework implementation and Raven Count fix.
EntityFramework project cleanup.
Raven GetTotalCountQueryHandler cleanup.
Entity Framework persistence added to the Example project.
NuGet configured to use the Automatic Package Restore.
Automated build and package creation added.
GetAllUsersUICommand works with Entity Framework. RavenQueryableExtensions use IRavenQueryable instead of IQueryable.
Script for publishing of NuGet packages added.