allow travis to use jakarta staging

Signed-off-by: Lukas Jungmann <lukas.jungmann@oracle.com>

.travis.yml

@@ -20,6 +20,9 @@ cache:
     - .autoconf
     - $HOME/.m2
 
+install:
+  - curl -o $HOME/.m2/settings.xml https://gist.githubusercontent.com/lukasj/c176740acd96e255a84851277b9d9d14/raw/dca8d8be04acc614f0dd03dbee1891829250d857/jakarta-settings.xml
+
 script:
   - cd jaxws-ri
   - mvn -B -V -U -C -Pstaging,oss-release clean verify org.glassfish.copyright:glassfish-copyright-maven-plugin:copyright -Dgpg.skip=true -Doss.disallow.snapshots=false