NX-459: Backport KZ Timeline
NX-459: Undo list reverse

That does not work anyway, as paging is
off due to lack of descending sort direction
in the first place
NX-459: Using KZ with backported SortDirection
NX-459: Ported IT related changes

Changes not directly in plugin but "around" it
Merge pull request #550 from sonatype/nexus-2.9.x-NX-459-kz-timeline

[2.9] NX-459: Backport KZ Timeline