Update to latest MSBuild & VS version

Author: atifaziz

LinqPadless.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 14
-VisualStudioVersion = 14.0.25420.1
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30804.86
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{6C9AA163-DA0D-4BB7-A988-5AAC0D700936}"
 	ProjectSection(SolutionItems) = preProject
@@ -28,4 +28,7 @@ Global
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {A33F4C91-B43C-4326-B598-784B75CF715D}
+	EndGlobalSection
 EndGlobal

build.cmd

@@ -3,8 +3,8 @@ setlocal
 if "%PROCESSOR_ARCHITECTURE%"=="x86" set PROGRAMS=%ProgramFiles%
 if defined ProgramFiles(x86) set PROGRAMS=%ProgramFiles(x86)%
 for %%e in (Community Professional Enterprise) do (
-    if exist "%PROGRAMS%\Microsoft Visual Studio\2017\%%e\MSBuild\15.0\Bin\MSBuild.exe" (
-        set "MSBUILD=%PROGRAMS%\Microsoft Visual Studio\2017\%%e\MSBuild\15.0\Bin\MSBuild.exe"
+    if exist "%PROGRAMS%\Microsoft Visual Studio\2019\%%e\MSBuild\Current\Bin\MSBuild.exe" (
+        set "MSBUILD=%PROGRAMS%\Microsoft Visual Studio\2019\%%e\MSBuild\Current\Bin\MSBuild.exe"
     )
 )
 if exist "%MSBUILD%" goto :restore
@@ -19,8 +19,8 @@ for /f "delims=. tokens=1,2,3,4" %%m in ('msbuild /version /nologo') do (
 )
 if not defined MSBUILD_VERSION_MAJOR goto :nomsbuild
 if not defined MSBUILD_VERSION_MINOR goto :nomsbuild
-if %MSBUILD_VERSION_MAJOR% lss 15    goto :nomsbuild
-if %MSBUILD_VERSION_MINOR% lss 1     goto :nomsbuild
+if %MSBUILD_VERSION_MAJOR% lss 16    goto :nomsbuild
+if %MSBUILD_VERSION_MINOR% lss 8     goto :nomsbuild
 :restore
 for %%i in (NuGet.exe) do set nuget=%%~dpnx$PATH:i
 if "%nuget%"=="" (
@@ -40,6 +40,6 @@ setlocal
 goto :EOF
 
 :nomsbuild
-echo Microsoft Build version 15.1 (or later) does not appear to be
+echo Microsoft Build version 16.8 (or later) does not appear to be
 echo installed on this machine, which is required to build the solution.
 exit /b 1