fix Awake warning

README.md

     
     namespace UIWidgetsSample {
         public class UIWidgetsExample : UIWidgetsPanel {
-            void Awake() {
+            protected override void Awake() {
+                 base.Awake();
                 // Application.targetFrameRate = 60; // or higher if you want a smoother scrolling experience.
     
                 // if you want to use your own font or font icons.   

Samples/UIWidgetSample/MaterialSample.cs

                 home: this.testCases[this.testCaseId]);
         }
 
-        void Awake() {
+        protected override void Awake() {
+            base.Awake();
             FontManager.instance.addFont(Resources.Load<Font>(path: "MaterialIcons-Regular"), "Material Icons");
         }
     }

Samples/UIWidgetSample/txt/FontWeightStyle.cs

 
 namespace UIWidgetsSample {
     public class FontWeightStyle : UIWidgetsSamplePanel {
-        void Awake() {
+        protected override void Awake() {
+            base.Awake();
             // To run this sample, you need to download Roboto fonts and place them under Resources/Fonts folder
             // Roboto fonts could be downloaded from google website
             // https://fonts.google.com/specimen/Roboto?selection.family=Roboto

Samples/UIWidgetsGallery/GalleryMain.cs

             return new GalleryApp();
         }
 
-        void Awake() {
+        protected override void Awake() {
+            base.Awake();
             FontManager.instance.addFont(Resources.Load<Font>("MaterialIcons-Regular"), "Material Icons");
             FontManager.instance.addFont(Resources.Load<Font>("GalleryIcons"), "GalleryIcons");
         }