setup for now, leave large changes to later.

Can't see how mysqld_safe can work with current setup, so make it look
in $pkglibdir/mysql too.

Other cleanups.

Remove libmysqld-debug.a, it doesn't exist in current packages?

flags are being used correctly.

Don't create empty ChangeLog.

locations.

Add ChangeLog.

Make mysql.info optional.

prefers to take docs directly from the source tree.

correct location.

which was detected during the build of 5.5.3-m3.
This requires version 9 of IBM C++ to help.

More fixes will still be needed, it is very strict
(or rather: a bit picky?) about templates.

about handling the debug plugin files,
also "ha_example.*" are dropped.