setup.py: reload __version__.py after writing it.
write_version loads __version__.py before writing it (see 7eb694a1c1af),
so we have to explicitly reload it to use the correct version.
Problem diagnosed by Christian Ebert.
syntax: glob
*.elc
*.orig
*.rej
*~
*.o
*.so
*.pyc
*.swp
*.prof
tests/.coverage*
tests/annotated
tests/*.err
build
contrib/hgsh/hgsh
dist
doc/*.[0-9]
doc/*.[0-9].gendoc.txt
doc/*.[0-9].{x,ht}ml
MANIFEST
patches
mercurial/__version__.py
.DS_Store
syntax: regexp
^\.pc/
Output/Mercurial-[0-9.]*.exe