For whatever reason, Visual Studio throws a fit if a referenced project has a name
and the folder name (which is used to reference the project) is different than that name.
To solve this issue, I've renamed all the projects and folders to match their project
names as stated in the project.json.
Creating the standard sln flies for the root of the sqltoolsservice
project and adding xproj files for the individual projects.
Has been confirmed to open and build with VS2015. xUnit tests will work,
but only from Test Explorer (ie, ReSharper test runner doesn't work with
dnx)
Note: This may be subject to change as new standards for .NET Core project
files are developed. See dotnet/roslyn-project-system#37 for more details.