make nginx-provisioning work and rename make targets to prefix jenkins-... (#183)

Co-authored-by: Michael Hoennig <michael@hoennig.de>
Reviewed-on: https://dev.hostsharing.net/hostsharing/hs.hsadmin.ng/pulls/183
Reviewed-by: Timotheus Pokorra <timotheus.pokorra@hostsharing.net>

Jenkins/Jenkins.plugins

@@ -1,8 +1,48 @@
-git
-workflow-aggregator
-pipeline-github-lib
-docker-workflow
-credentials
-git-client
-blueocean
-coverage
+authentication-tokens:latest
+blueocean:latest
+bouncycastle-api:latest
+cloudbees-folder:latest
+command-launcher:latest
+configuration-as-code:latest
+coverage:latest
+credentials:latest
+docker-build-step:latest
+docker-commons:latest
+docker-java-api:latest
+docker-plugin:latest
+docker-workflow:latest
+durable-task:latest
+git-client:latest
+git:latest
+instance-identity:latest
+job-dsl:latest
+junit:latest
+matrix-project:latest
+node-iterator-api:latest
+pipeline-build-step:latest
+pipeline-github-lib:latest
+pipeline-groovy-lib:latest
+pipeline-input-step:latest
+pipeline-milestone-step:latest
+pipeline-model-api:latest
+pipeline-model-definition:latest
+pipeline-model-extensions:latest
+pipeline-rest-api:latest
+pipeline-stage-step:latest
+pipeline-stage-tags-metadata:latest
+pipeline-stage-view:latest
+pipeline-utility-steps:latest
+ssh-credentials:latest
+ssh-slaves:latest
+workflow-aggregator:latest
+workflow-basic-steps:latest
+workflow-cps:latest
+workflow-durable-task-step:latest
+workflow-job:latest
+workflow-support:latest
+workflow-step-api:latest
+timestamper:latest
+ws-cleanup:latest
+junit-attachments:latest
+junit-realtime-test-reporter:latest
+