Added build.bat, build.fsx.
Implemented targets that clean output (excluding vshost.exe).
Implemented targets that build projects (SDK/others/tests) and run tests (MSTest/NUnit).
Implemented target that updates SolutionAssemblyInfo versions.
Added NUnit to Orchestra.Test.csproj.
Implemented NuGet target.
Updated output paths for TableView project.
Changed default target from Release to All.
Updated tests output paths.