Added two new, ndb_replace and ndb_minmax


mysql-test/r/ndb_index.result:
  Disable query, since index used is case sensitive
mysql-test/r/ndb_index_ordered.result:
  Correct faulty CREATE TABLE statement
mysql-test/r/ndb_index_unique.result:
  Correct faulty CREATE TABLE statement
mysql-test/t/ndb_index.test:
  Disable query, since index used is case sensitive
mysql-test/t/ndb_index_ordered.test:
  Correct faulty CREATE TABLE statement
mysql-test/t/ndb_index_unique.test:
  Correct faulty CREATE TABLE statement