Auto merge of #174 - lovebug356:patch-1, r=jdm

example: add space between quit and process name

Add a space between "Quit" and the process name in the menu

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examples/hello_world.rs

@@ -22,7 +22,7 @@ fn main() {
 
         // create Application menu
         let app_menu = NSMenu::new(nil).autorelease();
-        let quit_prefix = NSString::alloc(nil).init_str("Quit");
+        let quit_prefix = NSString::alloc(nil).init_str("Quit ");
         let quit_title =
             quit_prefix.stringByAppendingString_(NSProcessInfo::processInfo(nil).processName());
         let quit_action = selector("terminate:");