[MUS-19] my page can read units in setting page
[MUS-19] past activities list page can read units in setting page
[MUS-19] past activity detail page can read units from setting page
[MUS-19] music rand detail page can read unit settings
[MUS-19] running can read unit settings
[MUS-19] use hour for speed
[MUS-19] use hour for speed, move calcualteCalories to healthLib