Fix BUG#18934: "InnoDB crashes when table uses column like DB_ROW_ID".
 Also, fix memory leaks in row_create_table_for_mysql() in rare
 corner cases.


innobase/dict/dict0dict.c:
  Applied innodb-5.0-ss476 snapshot.
   Refuse tables that use reserved column names (Bug#18934).
innobase/dict/dict0load.c:
  Applied innodb-5.0-ss476 snapshot.
   dict_load_table(): Refuse to load tables with other TYPE
   than DICT_TABLE_ORDINARY.
innobase/dict/dict0mem.c:
  Applied innodb-5.0-ss476 snapshot.
   Add dict_mem_table_free(), use it instead of duplicating
   the code everywhere.
innobase/ibuf/ibuf0ibuf.c:
  Applied innodb-5.0-ss476 snapshot.
innobase/include/dict0dict.h:
  Applied innodb-5.0-ss476 snapshot.
   Refuse tables that use reserved column name (Bug#18934).
innobase/include/dict0mem.h:
  Applied innodb-5.0-ss476 snapshot.
   Add dict_mem_table_free(), use it instead of duplicating
   the code everywhere.
innobase/include/univ.i:
  Applied innodb-5.0-ss476 snapshot.
innobase/log/log0recv.c:
  Applied innodb-5.0-ss476 snapshot.
innobase/row/row0mysql.c:
  Applied innodb-5.0-ss476 snapshot.
   Refuse tables that use reserved column names (Bug#18934).
mysql-test/r/innodb.result:
  Applied innodb-5.0-ss476 snapshot.
   Fix result for test case for Bug#18934.
   (Other changes are to be restored by the next cset).
mysql-test/t/innodb.test:
  Applied innodb-5.0-ss476 snapshot.
   Fix result for test case for Bug#18934.
   (Removed test case for Bug#14360 is to be restored by the next cset).