correct some bugs:

- Kill plot window when ploty2 is closing
- Compilation pb

src/manager/PlotManager.cpp

@@ -58,7 +58,7 @@ void PlotManager::reset() {
 	// Stop all plot processes
 	for (auto iter : m_PlotsProcesses) {
 		DBGMSG("plotmanager delete plot : " << iter.first);
-		iter.second->stop();
+		iter.second->kill();
 	}
 }
 

src/view/qt/QtColorMapWidget.cpp

@@ -95,7 +95,6 @@ QtColorMapWidget::~QtColorMapWidget() {
 }
 
 void QtColorMapWidget::activate() {
-	subscribeUpdate();
 	show();
 }