[add] Add function fixRankDate
[add] Add function fixRankDate

about fixRankDate
  in js
  void fixRankDate(_id)
    fix date if over max or min
    fix date after changed the other side
add initDate in Gloval var
add initDate2 in Gloval var
add exitDate2 in Gloval var
add exitDate in Gloval var
add diffStatus in Gloval var

AyaNakazawa/osu_ranking_diary,AyaNakazawa/osu_ranking_diary,AyaNakazawa/osu_ranking_diary,AyaNakazawa/osu_ranking_diary