[docs] BUG: All links to PDF/ZIP python docs are 404, all versions / All Formats

[walter tackett]

Before:


AFTER (all formats, all 3.x versions (at least):

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/docs/attachments/20160613/3ac8b582/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Screen Shot 2016-06-13 at 8.00.10 AM.png
Type: image/png
Size: 254260 bytes
Desc: not available
URL: <http://mail.python.org/pipermail/docs/attachments/20160613/3ac8b582/attachment-0002.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Screen Shot 2016-06-13 at 8.01.23 AM.png
Type: image/png
Size: 88410 bytes
Desc: not available
URL: <http://mail.python.org/pipermail/docs/attachments/20160613/3ac8b582/attachment-0003.png>