Added checking of cut read lines in bootstrap thread (Bug #2874)


include/mysql.h:
  Added length to MYSQL_ROWS to enable sanity checking of packets
  Update 'MYSQL_FIELD->max_length' on mysql_stmt_store_result()
libmysql/libmysql.c:
  Update 'MYSQL_FIELD->max_length' on mysql_stmt_store_result() (Bug #1647)
scripts/fill_help_tables.sh:
  Added checking of maximum length of line in output (Bug #2874)
scripts/mysql_install_db.sh:
  Added error message if help tables couldn't be done (Bug #2874)
sql/sql_parse.cc:
  Added checking of cut read lines in bootstrap thread (Bug #2874)
tests/client_test.c:
  Added --debug
  Changed some strange define names
  Less output
  Added testing of max_length for prepared statements