expose connectivityChanged API

This allows the clients to notify the daemon when the network status
has changed.

Change-Id: I1f72de478aeb9f449e330753e77332a73f99301a
Tuleap: #841

src/accountmodel.cpp

@@ -1074,4 +1074,10 @@ Qt::DropActions AccountModel::supportedDropActions() const
    return Qt::MoveAction | Qt::TargetMoveAction;
 }
 
+void AccountModel::slotConnectivityChanged()
+{
+    ConfigurationManager::instance().connectivityChanged();
+}
+
+
 #include <accountmodel.moc>

src/accountmodel.h

@@ -126,7 +126,8 @@ public Q_SLOTS:
    void registerAllAccounts();
    bool moveUp             ();
    bool moveDown           ();
-
+   ///Notifies the Ring daemon that the connectivity (network status) has changed
+   void slotConnectivityChanged();
 
 Q_SIGNALS:
    ///The account list changed

src/qtwrapper/configurationmanager_wrap.h

@@ -618,6 +618,11 @@ public Q_SLOTS: // METHODS
        return DRing::getMessageStatus(id);
    }
 
+   void connectivityChanged()
+   {
+       DRing::connectivityChanged();
+   }
+
 Q_SIGNALS: // SIGNALS
    void volumeChanged(const QString& device, double value);
    void accountsChanged();