Added new field to model.
Updating instantly by +6 the vacation pool if 'holiday 26' has been checked or -6 if has been unchecked.
Get the value of the holiday 26 checkbox.
Checked checkbox if ajax returns true value for holiday_26.
Added new field into data array.
Created a small function to automatic update the vacation pool for every user every year.
Merge pull request #2 from MattBlack85/holiday26

Holiday26 merged.