[escher] Rework of timers and bigger text in toolboxes

apps/on_boarding/app.cpp

@@ -18,15 +18,7 @@ App::App(Snapshot * snapshot) :
   m_localizationController(&m_modalViewController, Metric::CommonTopMargin, LocalizationController::Mode::Language),
   m_logoController()
 {
-}
-
-int App::numberOfTimers() {
-  return firstResponder() == &m_logoController;
-}
-
-Timer * App::timerAtIndex(int i) {
-  assert(i == 0);
-  return &m_logoController;
+  AppsContainer::sharedAppsContainer()->addTimer(&m_logoController);
 }
 
 bool App::processEvent(Ion::Events::Event e) {

apps/on_boarding/app.h

@@ -15,9 +15,6 @@ public:
     App * unpack(Container * container) override;
     Descriptor * descriptor() override;
   };
-
-  int numberOfTimers() override;
-  Timer * timerAtIndex(int i) override;
   bool processEvent(Ion::Events::Event) override;
   void didBecomeActive(Window * window) override;
 private:

apps/on_boarding/logo_controller.cpp

@@ -17,6 +17,7 @@ LogoController::LogoController() :
 
 bool LogoController::fire() {
   Container::activeApp()->dismissModalViewController();
+  AppsContainer::sharedAppsContainer()->removeTimer(this);
   return true;
 }
 
@@ -41,7 +42,6 @@ void LogoController::viewWillAppear() {
   if (!backlightInitialized) {
     Ion::Backlight::init();
   }
-  ViewController::viewWillAppear();
 }
 
 void LogoController::viewDidDisappear() {