Remove keys warning

Author: chollier

src/DateTimePickerDays.jsx

@@ -63,9 +63,9 @@ DateTimePickerDays = React.createClass({
  }
  }
  }
- cells.push(<td className={React.addons.classSet(classes)} onClick={this.props.setSelectedDate}>{prevMonth.date()}</td>);
+ cells.push(<td key={prevMonth.month() + '-' + prevMonth.date()} className={React.addons.classSet(classes)} onClick={this.props.setSelectedDate}>{prevMonth.date()}</td>);
  if (prevMonth.weekday() === moment().endOf('week').weekday()) {
- row = <tr>{cells}</tr>;
+ row = <tr key={prevMonth.month() + '-' + prevMonth.date()}>{cells}</tr>;
  html.push(row);
  cells = [];
  }

src/coffee/DateTimePickerDays.jsx.coffee

@@ -57,10 +57,10 @@ DateTimePickerDays = React.createClass(
  classes['disabled'] = true
  break;
 
- cells.push `<td className={React.addons.classSet(classes)} onClick={this.props.setSelectedDate}>{prevMonth.date()}</td>`
+ cells.push `<td key={prevMonth.month() + '-' + prevMonth.date()} className={React.addons.classSet(classes)} onClick={this.props.setSelectedDate}>{prevMonth.date()}</td>`
 
  if prevMonth.weekday() == moment().endOf('week').weekday()
- row = `<tr>{cells}</tr>`
+ row = `<tr key={prevMonth.month() + '-' + prevMonth.date()}>{cells}</tr>`
  html.push(row)
  cells = []