Update instructions and uncomment out deploy

lib/gitlab/ci/templates/Maven.gitlab-ci.yml

@@ -39,17 +39,17 @@ verify:jdk8:
   <<: *verify
   image: maven:3.3.9-jdk-8
 
-# To deploy packages to the GitLab Maven Repository, uncomment the following section.
-# Please note: The Maven Repository is currently only available for Premium / Ultimate accounts.
-#
+# To deploy packages to the GitLab Maven Repository, create a ci_settings.xml file 
+# See https://gitlab.com/help/user/project/packages/maven_repository.md#creating-maven-packages-with-gitlab-cicd for more details.
+# Please note: The Maven Repository is currently only available in GitLab Premium / Ultimate.
 # For `master` branch run `mvn deploy` automatically.
-#deploy:jdk8:
-# stage: deploy
-# script:
-#   - if [ ! -f ci_settings.xml ];
-#       then echo CI settings missing, please see https://gitlab.com/help/user/project/packages/maven_repository.md#creating-maven-packages-with-gitlab-cicd for instructions.;
-#     fi
-#   - 'mvn $MAVEN_CLI_OPTS deploy -s ci_settings.xml'
-#  only:
-#   - master
-# image: maven:3.3.9-jdk-8
+deploy:jdk8:
+  stage: deploy
+  script:
+    - if [ ! -f ci_settings.xml ];
+        then echo CI settings missing, please see https://gitlab.com/help/user/project/packages/maven_repository.md#creating-maven-packages-with-gitlab-cicd for instructions.;
+      fi
+    - 'mvn $MAVEN_CLI_OPTS deploy -s ci_settings.xml'
+  only:
+    - master
+  image: maven:3.3.9-jdk-8