Fix for consistent 0000-00-00 date handling
Close + open binary logs on flush tables
Fix for AVG() in HAVING.


BUILD/SETUP.sh:
  Compile MySQL with -O0 to make debugging easier.
Docs/manual.texi:
  Changelog
configure.in:
  Version change
innobase/buf/buf0lru.c:
  Fix for windows
mysql-test/r/func_time.result:
  Updated tests
mysql-test/r/having.result:
  Updated tests
mysql-test/t/func_time.test:
  Updated tests
mysql-test/t/having.test:
  Updated tests
mysys/mf_casecnv.c:
  Portability fix
mysys/mf_qsort.c:
  Portability fix
mysys/my_compress.c:
  Portability fix
mysys/my_tempnam.c:
  More comments
sql/field.cc:
  Fix for consistent 0000-00-00 date handling
sql/item.h:
  Fix for AVG() in HAVING
sql/log.cc:
  Close + open update logs on flush tables
sql/sql_select.cc:
  More debugging info
sql/time.cc:
  Fix for consistent 0000-00-00 date handling
strings/ctype.c:
  Portability fix
strings/strto.c:
  Portability fix