Small bug fixes + code for DELETE QUICK

Docs/manual.texi:
  Change log + bug fixes from the mailing list
configure.in:
  added mlockall
include/config-win.h:
  Fix to use SAFE_MUTEX
include/ft_global.h:
  Free memory
include/my_pthread.h:
  Fix for SAFE_MUTEX on windows
myisam/Makefile.am:
  Fix modes
myisam/ft_static.c:
  Fix language problem with fulltext
myisam/ft_stopwords.c:
  Free memory at end
myisam/mi_create.c:
  Fix language problem with fulltext
myisam/mi_delete.c:
  Added optimization to not join blocks when using delete with QUICK
myisam/mi_panic.c:
  Added freeing of memorty
myisam/mi_test2.c:
  Added quick mode
myisam/myisamchk.c:
  Fixed help text
myisam/myisamdef.h:
  Added optimization to not join blocks when using delete with QUICK
mysys/mf_format.c:
  Don't change case for extension
mysys/my_wincond.c:
  Fix for safe mutex
mysys/thr_mutex.c:
  Fix for safe mutex
sql-bench/test-insert.sh:
  Split delete test to get more information about the times
sql/ChangeLog:
  Changelog
sql/ha_myisam.cc:
  Better OPTIMIZE handling
sql/log.cc:
  Cleanup
sql/mysql_priv.h:
  Fix for safe mutex
sql/mysqld.cc:
  Added define for --one-thread option
sql/sql_class.h:
  Fixed lock_time in slow_log
sql/sql_delete.cc:
  Fix for safe mutex
sql/sql_parse.cc:
  Fix processlist message for new process
sql/sql_table.cc:
  Fix windows problem med CREATE INDEX
sql/sql_yacc.yy:
  Fix for safe mutex
sql/table.cc:
  Made code simpler
strings/bmove512.c:
  Small speed fix
support-files/mysql.server.sh:
  Fixed awk usage

myisam/myisamdef.h

@@ -360,6 +360,7 @@ struct st_myisam_info {
 #define MI_MAX_KEY_BLOCK_SIZE	(MI_MAX_KEY_BLOCK_LENGTH/MI_KEY_BLOCK_LENGTH)
 #define MI_BLOCK_SIZE(key_length,data_pointer,key_pointer) ((((key_length+data_pointer+key_pointer)*4+key_pointer+2)/MI_KEY_BLOCK_LENGTH+1)*MI_KEY_BLOCK_LENGTH)
 #define MI_MAX_KEYPTR_SIZE	5	/* For calculating block lengths */
+#define MI_MIN_KEYBLOCK_LENGTH	50	/* When to split delete blocks */
 
 /* The UNIQUE check is done with a hashed long key */