Update KOHA_RELEASE: 17.11.04-07-31 - minor fixes

2 jobs for 17.11.04-07-31 in 12 minutes and 44 seconds (queued for 1 second)
latest
Status Name Job ID Coverage
  Build
passed build_debian_files #974

00:06:31

 
  Deploy
passed build_docker_image #975

00:06:13