pgbuildfarm - client-code: New client program to allow apgrading the OS

Log Message:
-----------

New client program to allow apgrading the OS version and Compiler version
of buildfarm members, plus associated config entry. Matching web program is
in place, as is db stucture, but current web display does not yet take
any notice of the data.

Modified Files:
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client-code:
build-farm.conf (r1.15 -> r1.16)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbuildfarm/client-code/build-farm.conf.diff?r1=1.15&r2=1.16)

Added Files:
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client-code:
update_personality.pl (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbuildfarm/client-code/update_personality.pl?rev=1.1&content-type=text/x-cvsweb-markup)