Added Stubs

Author: Stefterv

app/ant/processing/app/gradle/GradleService.java

@@ -0,0 +1,13 @@
+package processing.app.gradle;
+
+import processing.app.ui.Editor;
+
+public class GradleService {
+    public GradleService(Editor editor) { }
+
+    public void prepare(){}
+    public void run() {}
+    public void export(){}
+    public void stop() {}
+    public void startService() {}
+}

app/ant/processing/app/gradle/ui/Toolbar.java

@@ -0,0 +1,13 @@
+package processing.app.gradle.ui;
+
+import processing.app.ui.Editor;
+import processing.app.ui.EditorToolbar;
+
+import javax.swing.*;
+
+public class Toolbar {
+    Toolbar(Editor editor){}
+    public static JComponent legacyWrapped(Editor editor, EditorToolbar toolbar){
+        return toolbar;
+    }
+}