message: Sync output of parallel make tasks in CI
  Avoid the interspersed output from parallel make tasks.
diff: @@ -23,7 +23,7 @@ node {
  }
  stage ('build images') {
  - sh "make build -j6"
  + sh "make -O -j6 build"
  }
  openshift_versions.each { openshift_version ->
  @@ -51,7 +51,7 @@ node {
  stage ('push images to amazeeiolagoon/*') {
  withCredentials([string(credentialsId: 'amazeeiojenkins-dockerhub-password', variable: 'PASSWORD')]) {
  sh 'docker login -u amazeeiojenkins -p $PASSWORD'
  - sh "make publish-amazeeiolagoon-baseimages publish-amazeeiolagoon-serviceimages BRANCH_NAME=${SAFEBRANCH_NAME} -j4"
  + sh "make -O -j4 publish-amazeeiolagoon-baseimages publish-amazeeiolagoon-serviceimages BRANCH_NAME=${SAFEBRANCH_NAME}"
  }
  }
  }
  @@ -66,9 +66,9 @@ node {
  "_tests_${openshift_version}": {
  stage ('run tests') {
  try {
  - sh "make push-minishift -j5"
  + sh "make -O -j5 push-minishift"
  sh "make up"
  - sh "make tests -j2"
  + sh "make -O -j2 tests"
  } catch (e) {
  echo "Something went wrong, trying to cleanup"
  cleanup()
  @@ -89,14 +89,14 @@ node {
  stage ('publish-amazeeio') {
  withCredentials([string(credentialsId: 'amazeeiojenkins-dockerhub-password', variable: 'PASSWORD')]) {
  sh 'docker login -u amazeeiojenkins -p $PASSWORD'
  - sh "make publish-amazeeio-baseimages -j4"
  + sh "make -O -j4 publish-amazeeio-baseimages"
  }
  }
  }
  if (env.BRANCH_NAME == 'master') {
  stage ('save-images-s3') {
  - sh "make s3-save -j8"
  + sh "make -O -j8 s3-save"
  }
  }
  