Massive UI revamping (v7): devices basic

sdrgui/feature/featuregui.cpp

@@ -130,6 +130,7 @@ FeatureGUI::FeatureGUI(QWidget *parent) :
 
 FeatureGUI::~FeatureGUI()
 {
+    qDebug("FeatureGUI::~FeatureGUI");
     delete m_sizeGripBottomRight;
     delete m_bottomLayout;
     delete m_centerLayout;
@@ -144,6 +145,7 @@ FeatureGUI::~FeatureGUI()
     delete m_titleLabel;
     delete m_settingsButton;
     delete m_indexLabel;
+    qDebug("FeatureGUI::~FeatureGUI: end");
 }
 
 void FeatureGUI::closeEvent(QCloseEvent *event)