Products-redirectiontool

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- Fixed bugs that caused incorrect display of redirects on the
manage-aliases and aliases-controlpanel pages.
[hexsprite]

- Expanded readme and packaged the release.
[erikrose]

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- Take into account site property allowAnonymousViewAbout in not_found_message

- Added german translation.
[spamsch]

- Added default validators and actions.
[spamsch]

- Moved ActionProviderBase before SimpleItem so that actions tab is shown in ZMI