updated travis configuration

.travis.yml

@@ -1,7 +1,7 @@
 language: java
 jdk:
 - oraclejdk8
-script: mvn -fmain/pom.xml clean package
+script: mvn -fmain/pom.xml -Puber-jar clean package
 notifications:
   webhooks:
     urls:
@@ -12,9 +12,10 @@ notifications:
 deploy:
   provider: releases
   prerelease: true
+  draft: true
   api_key:
     secure: ZjE1j93v3qbPIe2YbmhS319aCbMdLQw0HuymmluTurxXsZtn9D4t2+eTr99vBVxGRuB5lzzGezPR5zjk5W7iHF7xhwrawXrFzr2rPJWzWFt0aM+Ry2njU1ROTGGXGTbv4anWeBlgMxLEInTAy/9ytOGNJlec83yc0THpOY2wxnk=
-  file: main/target/Cryptomator-$TRAVIS_TAG.jar
+  file: main/uber-jar/target/Cryptomator-$TRAVIS_TAG.jar
   skip_cleanup: true
   on:
     repo: cryptomator/cryptomator