tests/harness/runHarness.py: Provide compact form of test failures.
tests/harness/runHarness.py: Provide compact form of test failures.

See: http://liblouis.org/todo/runharness_should_provide_option_for_Condensed_output/

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