Log Message:
-----------
add logic for selecting a single branch to run
Modified Files:
--------------
client-code:
run_branches.pl (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbuildfarm/client-code/run_branches.pl?r1=1.1&r2=1.2)