Merge pull request #1469 from Diapolo/signverifymessagedialog

GUI: merge sign/verify message into a single window with tabbed UI

src/qt/addressbookpage.h

@@ -63,6 +63,7 @@ private slots:
     /** Copy address of currently selected address entry to clipboard */
     void on_copyToClipboard_clicked();
     void on_signMessage_clicked();
+    void on_verifyMessage_clicked();
     void selectionChanged();
     void on_showQRCode_clicked();
     /** Spawn contextual menu (right mouse menu) for address book entry */