makeunicodedata.py: download all data files from unicode.org,
  switch to extracting Unihan data from zip file.
  Read linebreakprops and derivednormalizationprops even for
  old versions, even though they are not used in delta records.
test:unicode.py: U+11000 is now assigned, use U+14000 instead.

Merged revision 79059 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r79059 | florent.xicluna | 2010-03-18 22:50:06 +0100 (jeu, 18 mar 2010) | 2 lines

  Issue #8024: Update the Unicode database to 5.2
........

Revert Unicode UCD 5.2 upgrade in 3.x.  It broke repr() for unicode objects, and gave failures in test_bigmem.  Revert 79062, 79065 and 79083.

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r79059 | florent.xicluna | 2010-03-18 22:50:06 +0100 (jeu, 18 mar 2010) | 2 lines

  Issue #8024: Update the Unicode database to 5.2
........

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r66362 | martin.v.loewis | 2008-09-10 15:38:12 +0200 (Mi, 10 Sep 2008) | 3 lines

  Issue #3811: The Unicode database was updated to 5.1.
  Reviewed by Fredrik Lundh and Marc-Andre Lemburg.
........

iswide() for east asian width manipulation. (Inspired by David
Goodger, Reviewed by Martin v. Loewis)
- Move _PyUnicode_TypeRecord.flags to the end of the struct so that
no padding is added for UCS-4 builds. (Suggested by Martin v. Loewis)