Move version string into Config header.

Makes it easier to update the version number.

pglab/About.cpp

@@ -1,4 +1,5 @@
 #include "About.h"
+#include "Config.h"
 #include <QCoreApplication>
 #include <QDesktopServices>
 #include <QMessageBox>
@@ -7,7 +8,7 @@
 
 void ShowAboutDialog(QWidget *parent)
 {
-    QString pgLabVersionString = "0.2";
+    QString pgLabVersionString = PGLAB_VERSION_STRING;
     QString releaseNotesUrl = "https://eelke.gitlab.io/pgLab/releasenotes.html";
     QString year = QString::fromLatin1(__DATE__, 11).right(4);
     QMessageBox::about(parent, "pgLab", QMessageBox::tr(

pglab/Config.h

@@ -0,0 +1,4 @@
+#pragma once
+
+#define PGLAB_VERSION_STRING "0.3"
+

pglab/pglab.pro

@@ -93,6 +93,7 @@ SOURCES += main.cpp\
 
 HEADERS  += \
     About.h \
+    Config.h \
     catalog/delegates/IconColumnDelegate.h \
     catalog/models/BaseTableModel.h \
     catalog/models/ColumnTableModel.h \