[issue12313] make install misses test dirs for packaging and email modules

[Vinay Sajip]

Changes by Vinay Sajip <vinay_sajip at yahoo.co.uk>:


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nosy: +r.david.murray
title: make install misses packaging module -> make install misses test dirs for packaging and email modules

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12313>
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