Update notes: v1.4.0

Update notes v1.3.1 → v1.4.0: [list] [*]Added a story chapter for Beastmaster [*]Added a setting option to set whether week starts on Sunday or Monday [*]Added a setting option to disable screen saver [*]Added a setting option to toggle GUI animation [*]Added a launch option to use thin navigation buttons [*]Added a launch option to specify immersive background modes [*]Added a newsletter view [*]Updated the tasks, stories buttons [*]Updated the timer adjusting buttons [*]Improved appearing animation of the wild monsters [/list]