Build-tools/Do-compile:
  Don't delete distribution if not using --delete
Docs/manual.texi:
  Added information about default values
mysql-test/t/rpl000017.test:
  Fixed replication test to be more portable
mysys/mf_iocache2.c:
  More comments
sql/item_sum.cc:
  Cleanup
sql/log_event.cc:
  Cleanup
sql/mysqld.cc:
  Fixed typos in output
sql/sql_base.cc:
  Cleanup
sql/sql_delete.cc:
  Cleanup
sql/sql_select.cc:
  Cleanup
sql/uniques.cc:
  Portability fix