Add 'empty text' to all the version selection dialogs.

Customize it for the Forge one so people finally shut up about 1.7.4

gui/dialogs/VersionSelectDialog.cpp

@@ -51,6 +51,11 @@ VersionSelectDialog::VersionSelectDialog(BaseVersionList *vlist, QString title,
 	}
 }
 
+void VersionSelectDialog::setEmptyString(QString emptyString)
+{
+	ui->listView->setEmptyString(emptyString);
+}
+
 VersionSelectDialog::~VersionSelectDialog()
 {
 	delete ui;