As per #567 (comment) revert LowercaseFirst for name of root object

Author: amaitland

CefSharp/Internals/JavascriptObjectRepository.cs

@@ -40,7 +40,7 @@ public void Register(string name, object value)
             var jsObject = CreateJavascriptObject();
             jsObject.Value = value;
             jsObject.Name = name;
-            jsObject.JavascriptName = LowercaseFirst(name);
+            jsObject.JavascriptName = name;
 
             Analyse(jsObject);