THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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In Wicket 1.4 it was needed to extend org.apache.wicket.RequestCycle.onRuntimeException(Page, RuntimeException).
Wicket 1.5 gives even better control, by overriding org.apache.wicket.Application.newExceptionMapper() it is possible to change even the default processing of error pages.
Request mapping
ImageMap removed
ImageMap was deprecated in 1.4.11 and in 1.5 it was replaced with ClientSideImageMap component
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