Added method getDaysBetween, getVacDays, getremoteDays into DayDac.
Created class JsonDateWeekm JsonInfo, JsonInfoUserWeek, JsonStat, JsonStatUtil, JsonStatWeek.
Overrided method delete in UserDac.
Added cascade attribute into User entity(OneToMany day).
Added method {login}/user DELETE, {year}/week/{numberOfWeek} GET.