client/mysqldump.c:
  Temporarily disable unused (and broken) code.
mysql-test/r/group_min_max.result:
  Update results
mysql-test/r/mysqldump.result:
  Update results
mysql-test/r/subselect.result:
  Update results
mysql-test/t/group_min_max.test:
  Ignore number of rows in output of most explain results
sql/sql_insert.cc:
  Fix reference to max_unique_length