modified:
  mysql-test/r/type_date.result
  mysql-test/r/type_datetime.result
  mysql-test/r/type_time.result
  mysql-test/t/type_date.test
  mysql-test/t/type_datetime.test
  mysql-test/t/type_time.test
  sql/item_func.cc
  sql/item_timefunc.cc
  sql/sql_time.cc
  sql/sql_time.h
pending merges:
  Alexander Barkov 2013-06-28 MDEV-4634 Crash in CONVERT_TZ