Clean up the output of the MPI driver a bit

mpi.cc

@@ -25,7 +25,6 @@ static void close_highfds_except(int exceptfd)
     // Find the max fd number
     struct rlimit limit;
     getrlimit(RLIMIT_NOFILE, &limit);
-    printf("Closing up to %lu\n", (unsigned long)limit.rlim_cur);
     for (int fd = 3; fd < limit.rlim_cur; ++fd) {
 	if (fd != exceptfd) {
 	    // There's no ill effect from closing a non-open fd, so just
@@ -124,7 +123,7 @@ int main(int argc, char **argv)
 	    close(controllerfds[0]);
 	    boundaddr[res] = '\0';
 
-	    std::cerr << "Child reports controller bound to " << boundaddr << ":" << boundport << "\n";
+	    std::cerr << "Parent reports controller bound to " << boundaddr << ":" << boundport << "\n";
 
 	    char portstr[10];
 	    sprintf(portstr, "%hu", boundport);