Adapt <MSBuildExecutable> for 14.0 builds

BuildTools/Automated.proj

@@ -17,7 +17,7 @@
 			properties available for the projects inside the solution 
 			(but this works using the command line) -->
 		<!-- C) We need to use MSBuild 4.0, but the build server uses MSBuild 2.0 -->
-		<MSBuildExecutable>&quot;$(MSBuildBinPath)\..\v4.0.30319\msbuild.exe&quot;</MSBuildExecutable>
+		<MSBuildExecutable>&quot;$(MSBuildBinPath)\msbuild.exe&quot;</MSBuildExecutable>
 		<BuildProperties>/p:Configuration=Release &quot;/p:Platform=Any CPU&quot;</BuildProperties>
 		<BuildProperties>$(BuildProperties) &quot;/p:BranchName=$(BranchName)&quot;</BuildProperties>
 		<BuildProperties>$(BuildProperties) $(AdditionalBuildProperties)</BuildProperties>