Add GuiTextArea

Reorder and add description to GuiUpload

src/main/java/eu/crushedpixel/replaymod/gui/elements/GuiScrollbar.java

@@ -79,6 +79,16 @@ public class GuiScrollbar extends Gui implements GuiElement {
         draggingStart = -1;
     }
 
+    @Override
+    public void buttonPressed(Minecraft mc, int mouseX, int mouseY, char key, int keyCode) {
+
+    }
+
+    @Override
+    public void tick(Minecraft mc) {
+
+    }
+
     @Override
     public void draw(Minecraft mc, int mouseX, int mouseY) {
         GlStateManager.resetColor();