refs #335, Minor tweaks:

* Formatting
* renaming
* fixed some issues of cppcheck
* new icons
* smooth scrolling in views, stretching for few columns
* fixed start timer in updatetimer
* background colors of some LEDs

src/blackgui/components/updatetimer.h

@@ -48,6 +48,9 @@ namespace BlackGui
             //! Stop timer
             void stopTimer() { this->setUpdateInterval(-1); this->m_timerSingleShot->stop(); }
 
+            //! Start timer
+            void startTimer(int milliSeconds) { this->setUpdateInterval(milliSeconds);}
+
             //! Fire the timer straight away
             void fireTimer();