Move Language class to Semmle.Util

cpp/autobuilder/Semmle.Autobuild.Cpp/CppAutobuilder.cs

@@ -1,4 +1,5 @@
 using Semmle.Autobuild.Shared;
+using Semmle.Util;
 
 namespace Semmle.Autobuild.Cpp
 {

csharp/autobuilder/Semmle.Autobuild.Shared/AutobuildOptions.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text.RegularExpressions;
+using Semmle.Util;
 
 namespace Semmle.Autobuild.Shared
 {

csharp/autobuilder/Semmle.Autobuild.Shared/EnvVars.cs

@@ -1,3 +1,5 @@
+using Semmle.Util;
+
 namespace Semmle.Autobuild.Shared
 {
     public static class EnvVars

csharp/autobuilder/Semmle.Autobuild.Shared/ProjectOrSolution.cs

@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using System.Linq;
+using Semmle.Util;
 
 namespace Semmle.Autobuild.Shared
 {

csharp/extractor/Semmle.Util/Language.cs

@@ -1,4 +1,4 @@
-namespace Semmle.Autobuild.Shared
+namespace Semmle.Util
 {
     public sealed class Language
     {