THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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- java.util.Optional for AjaxFallback**
- new DateTime APIs for wicket-datetime
- Lambda API for Listeners (onClick, etc.)
AppCache for Offline-Support
- http://www.html5rocks.com/de/tutorials/appcache/beginner/
- http://www.w3.org/TR/2011/WD-html5-20110525/offline.html
Better monitoring
Expose hooks for better monitoring.
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