update python-urwid, python-urwidtrees

[Troy Sankey]

Also throwing in a third patch to update comments in the alot package
definition.  It's related because it's the same note as in python-urwidtrees:
author only distributes via github, not pypi.

FWIW, I'm submitting these to fix a cosmetic bug in alot.  I also did check the
other consumer of python-urwid (khal), and it does not seem to break anything.

Troy

0003-gnu-alot-Fixup-comments.patch
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0002-gnu-python-urwidtrees-Update-to-1.0.2.patch
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0001-gnu-python-urwid-Update-to-1.3.1.patch
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signature.asc
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