add the client startup time to the debug window / rename Version label to Client, which is better suiting now / add IBeamCursor for selectable text on the information page / make ">" sign on RPC page untranslatable / re-order XML-file tags to match real GUI element order

src/qt/clientmodel.h

@@ -39,6 +39,7 @@ public:
     QString formatFullVersion() const;
     QString formatBuildDate() const;
     QString clientName() const;
+    QDateTime formatClientStartupTime() const;
 
 private:
     OptionsModel *optionsModel;