添加翻译（终于）

src/main.cpp

@@ -1,5 +1,6 @@
 #include <QApplication>
 #include <QPushButton>
+#include <QTranslator>
 #include <spklogging.h>
 #include "spkui_general.h"
 #include "spkstore.h"
@@ -16,6 +17,17 @@ int main(int argc, char *argv[])
 
   QString LogPath = "";
 
+  QTranslator tr;
+  QLocale loc;
+  QString trDir;
+#ifndef NDEBUG
+  trDir = ".";
+#else // Translation files (zh.qm etc) installed to this path!
+  trDir = "/usr/share/spark-store/translations/";
+#endif
+  if(tr.load(loc, "", "", "."))
+    a.installTranslator(&tr);
+
   SpkStore store(false, LogPath);
 
 //  SpkDownloadMgr dl;