Add EmptyView Struct.

hammond-gtk/src/views/empty.rs

@@ -0,0 +1,15 @@
+use gtk;
+
+#[derive(Debug, Clone)]
+pub struct EmptyView {
+    container: gtk::Box,
+}
+
+impl EmptyView {
+    pub fn new() -> EmptyView {
+        let builder = gtk::Builder::new_from_resource("/org/gnome/hammond/gtk/empty_view.ui");
+        let view: gtk::Box = builder.get_object("empty_view").unwrap();
+
+        EmptyView { container: view }
+    }
+}