libmysql/libmysql.c:
  Removed ^M from source
libmysqld/libmysqld.c:
  Added handling of protocol options (to get source to compile)
sql/lex.h:
  Added compabitlity keywords
sql/mysql_priv.h:
  Added compatibility modes
sql/mysqld.cc:
  Added compatibility modes
sql/sql_delete.cc:
  Cleaned up SAFE_UPDATES handling
sql/sql_yacc.yy:
  Added compatibility modes