[cicd] deployment to testserver, curl syntax fixed

.gitlab-ci.yml

@@ -33,8 +33,9 @@ pages-devel:
     - cp -r includes .public
     - cp *.html .public
     - mv .public public
-    - UPLOADPATH=file://$(pwd)/public
-    - curl --upload-file $UPLOADPATH -u tomcat:$TOMCATPASS "https://m4lab.hft-stuttgart.de/manager/text/deploy?path=/ROOT&update=true"
+    - cd public
+    - jar -cvf ROOT.war *
+    - curl --upload-file ROOT.war -u tomcat:$TOMCATPASS "https://m4lab.hft-stuttgart.de/manager/text/deploy?path=/ROOT&update=true"
   artifacts:
     paths:
       - public