change way to download corpus services

.gitlab-ci.yml

@@ -2,7 +2,7 @@ compile_withmaven:
   image: maven:latest
   script:
     - cd lib
-    - curl -o corpus-services.jar https://gitlab.rrz.uni-hamburg.de/corpus-services/corpus-services/-/jobs/artifacts/develop-quest/raw/target/corpus-services-1.0.jar?job=compile_withmaven
+    - bash install-corpus-services.sh
     - cd ..
     - mvn install:install-file -Dfile=corpus-services.jar -DgroupId=de.uni_hamburg.corpora -DartifactId=corpus-services -Dversion=1.0 -Dpackaging=jar
     - mvn clean test compile assembly:single

lib/install-corpus-services.sh

+curl https://gitlab.rrz.uni-hamburg.de/corpus-services/corpus-services/-/jobs/artifacts/develop-quest/raw/target/corpus-services-1.0.jar?job=compile_withmaven
+mvn install:install-file -Dfile=corpus-services-1.0.jar -DgroupId=de.uni_hamburg.corpora -DartifactId=corpus-services -Dversion=1.0 -Dpackaging=jar