Fix installdir lookup to check for lib/ subdir; exit 0 when unconfigured
Fix installdir lookup to check for lib/ subdir; exit 0 when unconfigured

parsley42/gopherbot,uva-its/gopherbot,parsley42/gopherbot,uva-its/gopherbot,parsley42/gopherbot,parsley42/gopherbot,uva-its/gopherbot,uva-its/gopherbot