update gitlab-ci

.gitlab-ci.yml

-image: openjdk:8-jdk
-
-variables:
-    SAREF_DEV_KEY: <my_private_key>
-    SAREF_PORTAL_KEY: <my_private_key>
-
-before_script:
-  - eval $(ssh-agent -s)
-  - ssh-add <(echo "$SAREF_DEV_KEY")
-  - mkdir -p ~/.ssh
-  - '[[ -f /.dockerenv ]] && echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config'
-
-stages:
-  - test
-  - build
-  - deploy
-
-test-develop:
-  stage: test
-  script:
-    - curl -L -o saref-pipeline.jar "https://labs.etsi.org/rep/saref/saref-pipeline/-/jobs/artifacts/master/raw/target/saref-pipeline.jar?job=build"
-    - java -jar saref-pipeline.jar develop -s && touch target/success
-  allow_failure: true
-  except:
-    - /^prerelease-v/
-    - /^release-v/
-  artifacts:
-    when: always
-    paths:
-      - target/site
-      - target/success
-    reports:
-      junit: target/report_output.xml
-
-test-prerelease:
-  stage: test
-  script:
-    - curl -L -o saref-pipeline.jar "https://labs.etsi.org/rep/saref/saref-pipeline/-/jobs/artifacts/master/raw/target/saref-pipeline.jar?job=build"
-    - java -jar saref-pipeline.jar release -t && touch target/success
-  allow_failure: true
-  only:
-    - /^prerelease-v/
-  artifacts:
-    when: always
-    paths:
-      - target/site
-      - target/success
-    reports:
-      junit: target/report_output.xml
-
-deploy-report:
-  stage: deploy
-  script:
-    - scp -pr target/site saref-dev@saref.etsi.org:~/snapshot/$CI_PIPELINE_ID
-    - echo "SAREF pipeline report  https://saref.etsi.org/snapshot/$CI_PIPELINE_ID/report.html" 
-    - exit $(test -f target/success) $?
-  except:
-    - /^release-v/
-
-test-release:
-  stage: test
-  script:
-    - curl -L -o saref-pipeline.jar "https://labs.etsi.org/rep/saref/saref-pipeline/-/jobs/artifacts/master/raw/target/saref-pipeline.jar?job=build"
-    - java -jar saref-pipeline.jar release -t
-  only:
-    - /^release-v/
-
-trigger-release:
-  stage: deploy
-  only:
-    - /^release-v/
-  variables:
-    SAREF_DEV_KEY: $SAREF_DEV_KEY
-    SAREF_PORTAL_KEY: $SAREF_PORTAL_KEY
-  trigger:
-    project: saref/saref-portal
-    branch: master
+include:
+  - project: 'saref/saref-core'
+    file: '.gitlab-ci.yml'
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