Migrate to wicket 6.
CompoundPropertyModel cannot have object null
Merge branch 'develop' into my-develop
Refactor the search page to use the event bus.
Remove numbering from the search list.
Move RO Evo Box to a lazy load panel.
Can create ROs from ZIP archives of folders and resources.
Set version.
[maven-release-plugin] prepare release portal-4.4.0
[maven-release-plugin] prepare for next development iteration