backports changes for -> Finished upgrading the UserRepository and entities to properly support Users' Allowed Sections & streamlines Persistence/Mappers with less code duplication.
added another unit test.
backported changes to IUserRepository from v7
Updated UserService, didn't need one of the methods on there, updated the unit tests to test all the other methods.
Updated IUserService and added more unit tests for new methods. Fixed unit tests that were failing due to incorrectly set settings... not sure how this is working on the server but oh well.
These files will add MSBuild target that copies /umbraco /umbraco_client and /App_Browsers files to .csproj files, during install of NuGet package UmbracoCms

Functionality has been tested by creating af copy of the current Nuget package and add these files to the package, then using this package on a new Web application project. Building and doing a VS Publish to the filesystem.
Updated UserRepository to not contain the general query methods, we do those in the service.
Added file-reg to .nuspec
Merge pull request #45 from jhauge/PublishUmbracoFiles

Add Umbraco files during publish
Fixes: #U4-2344 - fixes examine re-indexing for media and a null check for DataType.Data
Merge branch '6.1.3' of https://github.com/umbraco/Umbraco-CMS into 6.1.3
Merge remote-tracking branch 'origin/6.1.3' into 7.0.0

Conflicts:
	src/Umbraco.Core/Models/Membership/IUser.cs
	src/Umbraco.Core/Models/Membership/UserProfile.cs
	src/Umbraco.Core/Models/PropertyExtensions.cs
	src/Umbraco.Core/Models/PropertyTypeExtensions.cs
	src/Umbraco.Core/Persistence/Repositories/Interfaces/IUserRepository.cs
	src/Umbraco.Core/Persistence/Repositories/UserRepository.cs
	src/Umbraco.Core/Services/UserService.cs
	src/Umbraco.Tests/Persistence/Repositories/UserRepositoryTest.cs
	src/Umbraco.Tests/TestHelpers/BaseUmbracoApplicationTest.cs
	src/Umbraco.Tests/TestHelpers/Entities/MockedUser.cs
	src/Umbraco.Tests/Umbraco.Tests.csproj