Apache Wicket 6.17.0 released

* [WICKET-5633] - Make JavaScriptFilteredIntoFooterHeaderResponse non-final to be able to create custom filters

* [WICKET-5371] - IllegalArgumentException: Argument 'page' may not be null. - when sending event from asynchronous process
* [WICKET-5539] - Allow preserving of the parsed PageParameters when re-creating an expired page
* [WICKET-5564] - AjaxRequestTarget.focusComponent() does not work when two Ajax responses arrive next to each other
* [WICKET-5603] - OnChangeAjaxBehavior attached to DropDownChoice produces two Ajax requests in Chrome v35
* [WICKET-5607] - Wicket Ajax fires calls scheduled by AbstractAjaxTimerBehavior even after unload of the page
* [WICKET-5609] - AutoCompleteTextField can only complete text that is visible on screen browser screen 
* [WICKET-5615] - UploadProgressBar does not show up if no FileUploadField is given
* [WICKET-5616] - CLONE - ModalWindow is not visible in Safari when opened from a link at the bottom of a large page
* [WICKET-5619] - ConcurrentModificationException may occur when calling EventBus.post()
* [WICKET-5624] - Do not throw when WebSocket is not supported
* [WICKET-5626] - ConcatBundleResource#reportError() doesn't print the resource attributes
* [WICKET-5630] - Fix last button translation germany of wizard to 'Letzter'
* [WICKET-5631] - Allow submitting with POST method for PhantomJS
* [WICKET-5636] - Update StatelessForm's and AbstractRepeater's javadoc that FormComponents should be repeated only with RepeatingView
* [WICKET-5637] - Fix the encoding of the Chinese translations for Wizard component
* [WICKET-5639] - ResourceResponse does not write headers when status code is set
* [WICKET-5643] - WebPageRenderer should bind a Session if redirect is required and the session is temporary.
* [WICKET-5647] - missing generic cast causes compile error on OS X / jdk 8
* [WICKET-5655] - Problem with setting of IComponentInheritedModel and FLAG_INHERITABLE_MODEL
* [WICKET-5656] - PropertyResolver does not scan for NotNull in annotation tree
* [WICKET-5657] - wicket-autocomplete may fail after preceeding Ajax request
* [WICKET-5662] - @SpringBean(name="something", required=false) still throws org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'something' is defined
* [WICKET-5670] - org.apache.wicket.protocol.ws.api.registry.IKey should be Serializable (IClusterable)
* [WICKET-5679] - RenderStrategy REDIRECT_TO_RENDER lets fail test with BaseWicketTester#startComponentInPage
* [WICKET-5680] - AjaxEditableLabel keeps raw input after cancel following a validation failure 

* [WICKET-4344] - Implement onValidateModelObjects() and beforeUpdateFormComponentModels() for nested forms
* [WICKET-4660] - Make it possible to notify about Atmosphere internal events
* [WICKET-5452] - Make Wicket-Atmosphere testable - AtmosphereTester
* [WICKET-5602] - DynamicImageResource should set the mime type after reading the image data
* [WICKET-5605] - Store browser capabilities in local variables in wicket-event-jquery.js
* [WICKET-5611] - Add AjaxChannel.DEFAULT constant = "0" and type "Queue"
* [WICKET-5627] - broadcastMessage(): hook to set more thread-local context before rendering components
* [WICKET-5628] - Introduce a marker interface for exception which are recommended to be handler by the framework
* [WICKET-5629] - Add an HeaderItem for meta data tags such as <meta> or canonical <link>
* [WICKET-5634] - Add IObjectCheckers that fails the serialization when the Session or another Page are serialized
* [WICKET-5635] - Provide a way to modify ResourceReferenceRegistry.DefaultResourceReferenceFactory externally to be used by wicket-bootstrap-less
* [WICKET-5642] - CheckingOutputObjectStream should filter duplicates by identity, not by equality
* [WICKET-5645] - Markup String of IMarkupResourceStreamProvider throws NPE for inherited markup
* [WICKET-5646] - Allow subclasses of ComponentStringResourceLoader to stop at specific components
* [WICKET-5648] - CookieUtils - multivalue related methods are broken due to the usage of ";" as a separator for the values
* [WICKET-5650] - Make is possible to position the choice label before/after/around the choice
* [WICKET-5651] - Add TagTester#getChild(String tagName) method
* [WICKET-5652] - Improve Javadoc of Ajax behaviors concerning their onXyz() methods
* [WICKET-5653] - Add a setter for IViolationTranslator to BeanValidationConfiguration
* [WICKET-5654] - DefaultViolationTranslator should maybe use getMessage()
* [WICKET-5658] - AjaxFormComponentUpdatingBehavior should not clear the rawInput when updateModel is false
* [WICKET-5659] - Add a setting to MultiFileUploadField to not close the file uploads' streams
* [WICKET-5660] - Throw more specific exception when a component cannot be found by ListenerInterfaceRequestHandler
* [WICKET-5667] - Preserve the NotSerializableException if an error occur while using the IObjectCheckers
* [WICKET-5668] - StringResourceModel with custom locale 
* [WICKET-5671] - Rename log4j.properties in the quickstart when creating a project for WildFly
* [WICKET-5673] - Improve BookmarkableMapper and BasicResourceReferenceMapper to not match when the last segment is empty
* [WICKET-5674] - Use jquery.atmosphere.js as a Webjar

* [WICKET-5604] - Add a page to the site that lists other Apache projects that use Wicket
* [WICKET-5632] - Use frontend-maven-plugin to run the JavaScript tests
* [WICKET-5665] - WicketTester#assertComponentOnAjaxResponse() cannot test invisible components