Update help window to use player's keybindings (fix #42)

voxygen/src/window.rs

@@ -11,6 +11,7 @@ pub struct Window {
     window: glutin::GlWindow,
     cursor_grabbed: bool,
     needs_refresh_resize: bool,
+    settings_changed: bool,
     key_map: HashMap<glutin::VirtualKeyCode, Key>,
     supplement_events: Vec<Event>,
 }
@@ -60,6 +61,7 @@ impl Window {
             window,
             cursor_grabbed: false,
             needs_refresh_resize: false,
+            settings_changed: true,
             key_map,
             supplement_events: vec![],
         });
@@ -82,6 +84,10 @@ impl Window {
             self.needs_refresh_resize = false;
         }
 
+        if self.settings_changed {
+            events.push(Event::SettingsChanged);
+        }
+
         // Copy data that is needed by the events closure to avoid lifetime errors
         // TODO: Remove this if/when the compiler permits it
         let cursor_grabbed = self.cursor_grabbed;
@@ -212,4 +218,4 @@ pub enum Event {
     Ui(ui::Event),
     /// Game settings have changed
     SettingsChanged,
-}
+}