sql/log_event.cc:
  - Rename RELAY_LOG_INFO -> Relay_log_info.
  - Rows_log_event fields which are used for event application not 
    included when compiling in MYSQL_CLIENT mode.
sql/log_event.h:
  - Rename RELAY_LOG_INFO -> Relay_log_info.
  - Rows_log_event fields which are used for event application not 
    included when compiling in MYSQL_CLIENT mode.
sql/log_event_old.cc:
  - Rename RELAY_LOG_INFO -> Relay_log_info.
sql/log_event_old.h:
  - Rename RELAY_LOG_INFO -> Relay_log_info.
sql/sql_yacc.yy:
  Reverting to version used in the rpl tree.