bugfixes for image transmission

src/uas/UAS.cc

@@ -1327,6 +1327,8 @@ QImage UAS::getImage()
 {
     #ifdef MAVLINK_ENABLED_PIXHAWK
     image.loadFromData(imageRecBuffer);
+    // Restart statemachine
+    imagePacketsArrived = 0;
     return image;
     #endif
 

src/ui/HUD.cc

@@ -165,7 +165,7 @@ HUD::HUD(int width, int height, QWidget* parent)
 
     // Refresh timer
     refreshTimer->setInterval(updateInterval);
-    imageTimer->setInterval(1);
+    imageTimer->setInterval(250);
     //connect(refreshTimer, SIGNAL(timeout()), this, SLOT(update()));
     connect(refreshTimer, SIGNAL(timeout()), this, SLOT(paintHUD()));
     connect(imageTimer, SIGNAL(timeout()), this, SLOT(requestNewImage()));