Post review changes
the --read-only option is not enforced for the slave thread in replication, or for the SUPER user.
sql/handler.cc:
Post review changes
Allowing writes for the slave thread or for SUPER, in read-only mode
sql/lock.cc:
Post review changes
Allowing writes for the slave thread or for SUPER, in read-only mode
mysql-test/r/rpl_read_only.result:
New test
mysql-test/t/rpl_read_only-slave.opt:
New test
mysql-test/t/rpl_read_only.test:
New test
