Implicitly add "/** @jsx React.DOM */" when using JSXBundle.

Use the same ConcatenationToken as used in the ScriptBundle class.

Author: rickbeerendonk

src/System.Web.Optimization.React/JsxBundle.cs

@@ -23,8 +23,25 @@ public class JsxBundle : Bundle
 		/// </param>
 		public JsxBundle(string virtualPath) : base(virtualPath, GetTransforms())
 		{
+            base.ConcatenationToken = ";" + Environment.NewLine;
 		}
 
+        /// <summary>
+        /// Applies the transformations.
+        /// </summary>
+        /// <returns>The bundle response.</returns>
+        public override BundleResponse ApplyTransforms(BundleContext context, string bundleContent, Collections.Generic.IEnumerable<BundleFile> bundleFiles)
+        {
+            const string pragma = "/** @jsx React.DOM */";
+
+            if (!bundleContent.TrimStart().StartsWith(pragma))
+            {
+                bundleContent = pragma + bundleContent;
+            }
+
+            return base.ApplyTransforms(context, bundleContent, bundleFiles);
+        }
+
 		/// <summary>
 		/// Gets the transformations that should be used by the bundle.
 		/// </summary>