Cleanup (#877)

* Clean translation

* Create enum for off/slow/med/fast

* Update configuration.h

* Default loop on

* Create Medium speed symbol slot

* True/False are no longer defined, move to off string + slightly smoother lerp animations

source/Core/Drivers/OLED.cpp

@@ -195,7 +195,7 @@ void OLED::transitionSecondaryFramebuffer(bool forwardNavigation) {
     memmove(&secondStripPtr[newStart], &secondBackStripPtr[newEnd], progress);
 
     refresh();
-    osDelay(40);
+    osDelay(TICKS_100MS/5);
   }
 }