Added FontWeight to TemplatedControl.

src/Perspex.Controls/Primitives/TemplatedControl.cs

@@ -56,6 +56,12 @@ namespace Perspex.Controls.Primitives
         public static readonly StyledProperty<FontStyle> FontStyleProperty =
             TextBlock.FontStyleProperty.AddOwner<TemplatedControl>();
 
+        /// <summary>
+        /// Defines the <see cref="FontWeight"/> property.
+        /// </summary>
+        public static readonly StyledProperty<FontWeight> FontWeightProperty =
+            TextBlock.FontWeightProperty.AddOwner<TemplatedControl>();
+
         /// <summary>
         /// Defines the <see cref="Foreground"/> property.
         /// </summary>
@@ -177,6 +183,15 @@ namespace Perspex.Controls.Primitives
             set { SetValue(FontStyleProperty, value); }
         }
 
+        /// <summary>
+        /// Gets or sets the font weight used to draw the control's text.
+        /// </summary>
+        public FontWeight FontWeihght
+        {
+            get { return GetValue(FontWeightProperty); }
+            set { SetValue(FontWeightProperty, value); }
+        }
+
         /// <summary>
         /// Gets or sets the brush used to draw the control's text and other foreground elements.
         /// </summary>