Fix silent mode for singleDate
Fix silent mode for singleDate

This prevents datepicker-change being fired when setDateRange is used with singleDate option.
dsgraham/jquery-date-range-picker,longbill/jquery-date-range-picker,dsgraham/jquery-date-range-picker,longbill/jquery-date-range-picker,fede91it/jquery-date-range-picker,darkdiesel/jquery-date-range-picker,fede91it/jquery-date-range-picker,darkdiesel/jquery-date-range-picker