Re-enable halt-on-failure in junit, so when build breaks, travis-ci is unhappy
Re-enable halt-on-failure in junit, so when build breaks, travis-ci is unhappy

jasonzou/marc4j,Dyrcona/marc4j,kylieloo/473marc4j,marc4j/marc4j,jasonzou/marc4j,kylieloo/473marc4j,kylieloo/473marc4j,marc4j/marc4j,Dyrcona/marc4j