(and prepare new table types)

  modified:   storage/connect/tabjson.cpp
  modified:   storage/connect/tabjson.h
  modified:   storage/connect/tabxml.cpp
  modified:   storage/connect/tabxml.h

- Fix wrong line estimate
  modified:   storage/connect/mysql-test/connect/r/part_table.result
  modified:   storage/connect/mysql-test/connect/t/part_table.test