Add option to control whether CppSharp should be allowed to rename symbols

src/Generator/Options.cs

@@ -93,6 +93,8 @@ namespace CppSharp
         ///   <c>true</c> to generate class templates; otherwise, <c>false</c>.
         /// </value>
         public bool GenerateClassTemplates { get; set; }
+        public bool AllowRenaming { get; set; } = true;
+        public bool PutAllGlobalsInGlobalClass { get; set; } = false;
         public bool GenerateInternalImports;
         public bool GenerateSequentialLayout { get; set; } = true;
         public bool UseHeaderDirectories;

src/Generator/Passes/RenamePass.cs

@@ -73,6 +73,9 @@ namespace CppSharp.Passes
 
         public bool IsRenameableDecl(Declaration decl)
         {
+            if (!Options.AllowRenaming)
+                return false;
+
             if (decl is Class)
                 return Targets.HasFlag(RenameTargets.Class);