Add all historic release data to Release table

Jonathan Dowlandrequested to merge
chronicles-team/chronicles.debian.org:releases-data into master

The wiki page https://wiki.debian.org/DebianReleases#Production_Releases partially duplicates this page. Import the relevant dates from the wiki page to this page, and move all releases into the Table.

Request was on IRC:

<zeha> could someone please import the dates from https://wiki.debian.org/DebianReleases#Production_Releases into https://www.debian.org/releases/ so the duplication can go away? 
<zeha> (mostly for the old releases)

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