Better fix for format('nan')
Fix for HAVING COUNT(DISTINCT...)


myisam/mi_check.c:
  Better error message
myisam/mi_dynrec.c:
  Simple code cleanup
myisam/myisamchk.c:
  Better error messages
mysql-test/r/func_misc.result:
  Added back test for format('nan')
mysql-test/r/having.result:
  New test
mysql-test/t/func_misc.test:
  Added back test for format('nan')
mysql-test/t/having.test:
  Added test for count(distinct) in having
mysys/raid.cc:
  Safety fix to enable RAID in max binaries
scripts/mysql_install_db.sh:
  Create data directories even if --in-rpm is used (for MaxOSX)
sql/item_strfunc.cc:
  Better fix for format('nan')
sql/mysqld.cc:
  Give stacktrace on assert()
sql/sql_yacc.yy:
  Fix for HAVING COUNT(DISTINCT...)
tests/big_record.pl:
  Extend test to abuse packed MyISAM tables
tests/table_types.pl:
  Fixed wrong merge