Fixed portability problem with bool in C programs
Moved close_thread_tables out from LOCK_thread_count mutex (safety fix)
my_sleep() -> pthread_cond_timedwait()


include/thr_lock.h:
  bool -> my_bool (bool is not portable in C programs)
mysys/thr_lock.c:
  bool -> my_bool (bool is not portable in C programs)
sql/lock.cc:
  Added comment
  Don't use | on bool variable
sql/mysql_priv.h:
  Added comment
sql/slave.cc:
  Moved close_thread_tables out from LOCK_thread_count mutex (safety fix)
sql/sql_base.cc:
  Added comments
  my_sleep() -> pthread_cond_timedwait() to get less code and potentitally faster loop
BitKeeper/etc/ignore:
  added ac_available_languages_fragment