runHarness.py: when a specific harness file fails to load, make it easy to spot which one it was.
runHarness.py: when a specific harness file fails to load, make it easy to spot which one it was.

BueVest/liblouis,BueVest/liblouis,liblouis/liblouis,hammera/liblouis,BueVest/liblouis,liblouis/liblouis,IndexBraille/liblouis,liblouis/liblouis,vsmontalvao/liblouis,hammera/liblouis,hammera/liblouis,hammera/liblouis,IndexBraille/liblouis,vsmontalvao/liblouis,BueVest/liblouis,IndexBraille/liblouis,liblouis/liblouis,liblouis/liblouis,vsmontalvao/liblouis,BueVest/liblouis,hammera/liblouis,BueVest/liblouis,IndexBraille/liblouis,vsmontalvao/liblouis,vsmontalvao/liblouis,hammera/liblouis,liblouis/liblouis,IndexBraille/liblouis