info on how to connect to the slave for the clients that connect to
the master, but would like to know where the slaves are


include/mysql_com.h:
  register slaves
mysql-test/mysql-test-run.sh:
  parameters to test slave registration
mysql-test/r/rpl000002.result:
  test of slave registration
mysql-test/t/rpl000002.test:
  test slave registration
sql/mysql_priv.h:
  slave registration
sql/mysqld.cc:
  slave registration
sql/slave.cc:
  slave registration
sql/slave.h:
  slave registration
sql/sql_lex.h:
  slave registration
sql/sql_parse.cc:
  slave registration
sql/sql_repl.cc:
  slave registration
sql/sql_repl.h:
  slave registration
sql/sql_yacc.yy:
  slave registration