Wicket 1.4.23 released

This is twenty thirdth release of the Wicket 1.4.x series. This is a security bugfix release on the 1.4.x branch. Read CVE-2013-2055 for more information.

<dependency>
    <groupId>org.apache.wicket</groupId>
    <artifactId>wicket</artifactId>
    <version>1.4.23</version>
</dependency>