folder icon added to header view. custom bordering. extended text cell for android background color.

src/App/Controls/ExtendedTextCell.cs

@@ -0,0 +1,17 @@
+using System;
+using Xamarin.Forms;
+
+namespace Bit.App.Controls
+{
+    public class ExtendedTextCell : TextCell
+    {
+        public static readonly BindableProperty BackgroundColorProperty =
+            BindableProperty.Create(nameof(BackgroundColor), typeof(Color), typeof(ExtendedTextCell), Color.Transparent);
+
+        public Color BackgroundColor
+        {
+            get { return (Color)GetValue(BackgroundColorProperty); }
+            set { SetValue(BackgroundColorProperty, value); }
+        }
+    }
+}