Adding description how to use Special:Redirect

A description, how to use this, is essential and should be right in the 'redirect-summary'.

Using actual UserID and RevisionID to make examples more realistic. Also localization of "Special:Redirect".

GitHub: https://github.com/wikimedia/mediawiki-core/pull/11
Change-Id: I02d0150d7eec4ca5ad8db9b59b5478801f28e840
Merge "Adding description how to use Special:Redirect"