Merge branch 'airplane-mode' of https://github.com/evergreen22/InfiniTime into evergreen22-airplane-mode

Apply a few changes that were requested in the PR during the review.

# Conflicts:
#	src/CMakeLists.txt
#	src/displayapp/Apps.h
#	src/displayapp/DisplayApp.cpp
#	src/displayapp/Messages.h
#	src/displayapp/screens/settings/Settings.cpp

src/displayapp/Messages.h

@@ -22,7 +22,7 @@ namespace Pinetime {
         ShowPairingKey,
         AlarmTriggered,
         Clock,
-        AirplaneModeToggle
+        BleRadioEnableToggle
       };
     }
   }