Add translation for icon tray.

Wox/Languages/en.xaml

@@ -9,6 +9,10 @@
     <system:String x:Key="cancelTopMostInThisQuery">Cancel topmost in this query</system:String>
     <system:String x:Key="executeQuery">Execute query:{0}</system:String>
     <system:String x:Key="lastExecuteTime">Last execute time:{0}</system:String>
+    <system:String x:Key="iconTrayOpen">Open</system:String>
+    <system:String x:Key="iconTraySettings">Settings</system:String>
+    <system:String x:Key="iconTrayAbout">About</system:String>
+    <system:String x:Key="iconTrayExit">Exit</system:String>
 
     <!--Setting General-->
     <system:String x:Key="woxsettings">Wox Settings</system:String>

Wox/Languages/zh-cn.xaml

@@ -9,7 +9,11 @@
     <system:String x:Key="cancelTopMostInThisQuery">取消置顶</system:String>
     <system:String x:Key="executeQuery">执行查询：{0}</system:String>
     <system:String x:Key="lastExecuteTime">上次执行时间：{0}</system:String>
-
+    <system:String x:Key="iconTrayOpen">打开</system:String>
+    <system:String x:Key="iconTraySettings">设置</system:String>
+    <system:String x:Key="iconTrayAbout">关于</system:String>
+    <system:String x:Key="iconTrayExit">退出</system:String>
+    
     <!--设置，通用-->
     <system:String x:Key="woxsettings">Wox设置</system:String>
     <system:String x:Key="general">通用</system:String>

Wox/Languages/zh-tw.xaml

@@ -9,6 +9,10 @@
     <system:String x:Key="cancelTopMostInThisQuery">取消置頂</system:String>
     <system:String x:Key="executeQuery">執行查詢：{0}</system:String>
     <system:String x:Key="lastExecuteTime">上次執行時間：{0}</system:String>
+    <system:String x:Key="iconTrayOpen">打開</system:String>
+    <system:String x:Key="iconTraySettings">設置</system:String>
+    <system:String x:Key="iconTrayAbout">关于</system:String>
+    <system:String x:Key="iconTrayExit">退出</system:String>
     
     <!--設置，通用-->
     <system:String x:Key="woxsettings">Wox設置</system:String>