Add installation and releasenotes sections to the user manual.

pglab/About.cpp

@@ -8,7 +8,7 @@ void ShowAboutDialog(QWidget *parent)
     QString pgLabVersionString = "0.2";
     QString releaseNotesUrl = "file:///" + QCoreApplication::applicationDirPath() + "\\releasenotes.html";
     QString year = QString::fromLatin1(__DATE__, 11).right(4);
-    QMessageBox::about(parent, "pgLab " + pgLabVersionString, QMessageBox::tr(
+    QMessageBox::about(parent, "pgLab", QMessageBox::tr(
               "<h1>Version %3</h1>"
               "<p><a href=\"%2\">Releasenotes</a></p>"
               "<p>Copyrights 2016-%1, Eelke Klein, All Rights Reserved.</p>"

pglab/ConnectionManagerWindow.cpp

@@ -3,13 +3,13 @@
 #include "ui_ConnectionManagerWindow.h"
 #include "MasterController.h"
 #include "ConnectionController.h"
+#include "ConnectionListModel.h"
+#include <QDesktopServices>
+#include <QDir>
 #include <QMessageBox>
 #include <QStandardItemModel>
-#include "ConnectionListModel.h"
-
-
-#include <QDir>
 #include <QStandardPaths>
+#include <QUrl>
 
 ConnectionManagerWindow::ConnectionManagerWindow(MasterController *master, QWidget *parent)
 	: QMainWindow(parent)
@@ -109,3 +109,9 @@ void ConnectionManagerWindow::on_actionAbout_triggered()
     ShowAboutDialog(this);
 }
 
+
+void ConnectionManagerWindow::on_actionManual_triggered()
+{
+    QDesktopServices::openUrl(QString("https://eelke.gitlab.io/pgLab/#pglab-user-manual"));
+}
+

pglab/ConnectionManagerWindow.h

@@ -41,6 +41,8 @@ private slots:
 
     void on_actionAbout_triggered();
 
+    void on_actionManual_triggered();
+
 private:
 	Ui::ConnectionManagerWindow *ui;
 	MasterController *m_masterController;

pglab/ConnectionManagerWindow.ui

@@ -34,6 +34,7 @@
      <string>Fi&amp;le</string>
     </property>
     <addaction name="actionAbout"/>
+    <addaction name="actionManual"/>
     <addaction name="actionQuit_application"/>
    </widget>
    <addaction name="menuFile"/>
@@ -175,6 +176,11 @@ QToolButton {
     <string>About</string>
    </property>
   </action>
+  <action name="actionManual">
+   <property name="text">
+    <string>Manual</string>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="resources.qrc"/>