fixed maximize panel implementation

app/panel/project/project.cpp

@@ -30,6 +30,9 @@
 ProjectPanel::ProjectPanel(QWidget *parent) :
   PanelWidget(parent)
 {
+  // FIXME: This won't work if there's ever more than one of this panel
+  setObjectName("ProjectPanel");
+
   // Create main widget and its layout
   QWidget* central_widget = new QWidget(this);
   QVBoxLayout* layout = new QVBoxLayout(central_widget);