Test delete from BDB table using hidden primary key.

BSDi uses size_t * for the optlen arg to getsockopt, while other Unixes
use socklen_t *.

into cane.mysql.fi:/usr/home/tim/my/work

    - consolidate common functionality into one place
    - make them detect gmake/make

for the code.

Remember filename for temporary files created with mkstemp
Fixed wrongly allocated BDB share structure
Cleanups for SunPRO

into evoq.home.mwagner.org:/home/mwagner/work/bk/mysql

Fixes for mysql-test
Fixed race condition in SHOW LOGS

into evoq.home.mwagner.org:/home/mwagner/work/bk/mysql

No commit message

Portability fix for Linux

Fixed my_print_defaults --no-defaults 

into cane.mysql.fi:/usr/home/tim/my/work

Added mysqltest for <=>
Removed use of TAB in output from mysql-test-run

New test for string functions

    forgot to check this in

    fixed bug that created empty result files in no-record mode
mysql-test/t/rpl000007.test
    testing non-replication of load data infile when the table is excluded from replication
mysql-test/t/rpl000016.test
    test purge master logs
sql/slave.cc
    fix memory leaks found by  purge master logs test
sql/sql_repl.cc
    fixed race condition and delete before close bug in reset_slave()

Overall comments - coverage testing is a very good thing!