all free_defaults() on exit in mysql.cc;  Should fix problem with SSL


Docs/manual.texi:
  Added information about --skip-innodb
client/mysql.cc:
  Call free_defaults() on exit
client/mysqladmin.c:
  Call free_defaults() on exit
client/mysqlimport.c:
  Call free_defaults() on exit
mysql-test/r/rpl000016.result:
  Added testing of temporary tables with binary log rotation
mysql-test/t/rpl000016.test:
  Added testing of temporary tables with binary log rotation
sql/log.cc:
  Remove not used variable
sql/sql_class.h:
  Removed wrong mutex lock (hangup in kill on HPUX)