Log Message:
-----------
- add ipcclean option to clean up shared memory on failure
- suppress snapshot time logging in from_source runs
- mimic pg_regress' settings of dynamic library paths after install
Modified Files:
--------------
client-code:
run_build.pl (r1.56 -> r1.57)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbuildfarm/client-code/run_build.pl.diff?r1=1.56&r2=1.57)