Added THD to add_to_xxx_list() functions for faster parsing.


heap/_check.c:
  After merge fix
mysql-test/r/distinct.result:
  After merge fix
mysql-test/r/multi_update.result:
  Make timestamp test portable
mysql-test/t/multi_update.test:
  Make timestamp test portable
sql/field.cc:
  After merge fix
sql/item_sum.cc:
  After merge fix
sql/log_event.cc:
  Remove compiler warning
sql/mysql_priv.h:
  Added THD to add_to_list (Faster parsing)
sql/sql_derived.cc:
  Fixed parameters to create_tmp_table()
sql/sql_lex.cc:
  Added THD to add_to_list (Faster parsing)
sql/sql_lex.h:
  Added THD to add_to_list (Faster parsing)
sql/sql_parse.cc:
  Added THD to add_to_list (Faster parsing)
sql/sql_select.cc:
  After merge fixes
  Fixed return values from JOIN::optimize()
  Replaced test_function_query with '!tables_list'
  Optimized arguments to create_tmp_table()
sql/sql_select.h:
  Removed test_function_query variable
  Updated prototypes
sql/sql_union.cc:
  Updated argument lists.
sql/sql_update.cc:
  After merge fixes
sql/sql_yacc.yy:
  Added THD to all add_xxx_to_list() functions
sql/table.h:
  After merge fix