Problem with arabic Internationalization

After upgrading to playframework 2.3.0-RC1 I received the error with Arabic translation:
Project with error: https://github.com/ajozwik/play-scala-preview

Stack trace:
```
play.api.i18n.Messages$MessagesParser$$anon$1: Configuration error[End of line expected]
	at play.api.i18n.Messages$MessagesParser.parse(Messages.scala:275) ~[play_2.11-2.3.0-RC1.jar:2.3.0-RC1]
	at play.api.i18n.Messages$.messages(Messages.scala:197) ~[play_2.11-2.3.0-RC1.jar:2.3.0-RC1]
	at play.api.i18n.DefaultMessagesPlugin$$anonfun$loadMessages$2.apply(Messages.scala:351) ~[play_2.11-2.3.0-RC1.jar:2.3.0-RC1]
	at play.api.i18n.DefaultMessagesPlugin$$anonfun$loadMessages$2.apply(Messages.scala:350) ~[play_2.11-2.3.0-RC1.jar:2.3.0-RC1]
	at scala.collection.immutable.List.map(List.scala:274) ~[scala-library-2.11.0.jar:na]
```

messages.ar:
```
duration.durationInSecondsFormat={0} ثانية
event.descriptionColumn=وصف
event.duration=المدة
event.chargedAmount=القيمة المحتسبة
event.to=إلى
event.allEvents=جميع الأنشطة
```