Adjust gphande script to remove everything after the QMC data table.
Adjust gphande script to remove everything after the QMC data table.

Some output (e.g. blooming stats, load balancing info, etc) make gnuplot
rather unhappy so it's easiest just to strip it out entirely at the same
time as removing the preamble in the output file.

hande-qmc/hande,ruthfranklin/hande,hande-qmc/hande,hande-qmc/hande,hande-qmc/hande,hande-qmc/hande