uses moment().clone() instead of _.clone

Author: chollier

src/DateTimePickerDays.jsx

@@ -26,7 +26,7 @@ DateTimePickerDays = React.createClass({
  prevMonth = this.props.viewDate.clone().subtract("months", 1);
  days = prevMonth.daysInMonth();
  prevMonth.date(days).startOf('week');
- nextMonth = _.clone(moment(prevMonth)).add(42, "d");
+ nextMonth = moment(prevMonth).clone().add(42, "d");
  html = [];
  cells = [];
  while (prevMonth.isBefore(nextMonth)) {

src/coffee/DateTimePickerDays.jsx.coffee

@@ -25,7 +25,7 @@ DateTimePickerDays = React.createClass(
  days = prevMonth.daysInMonth()
  prevMonth.date(days).startOf('week')
 
- nextMonth = _.clone(moment(prevMonth)).add(42, "d")
+ nextMonth = moment(prevMonth).clone().add(42, "d")
 
  html = []
  cells = []