[issue20909] 3.4 cherry pick: d22ef969cb82 & f5be4ea5b43e & 25dc02a2acae new distribution & installation guides

[Ned Deily]

Changes by Ned Deily <nad at acm.org>:


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title: 3.4 cherry pick: d22ef969cb82 & f5be4ea5b43e new distribution & installation guides -> 3.4 cherry pick: d22ef969cb82 & f5be4ea5b43e &  25dc02a2acae new distribution & installation guides

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20909>
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