add endpoint configuration

Author: jhpoelen

.travis.maven.settings.xml

@@ -8,6 +8,9 @@
             <id>globi-release</id>
             <username>${env.S3_USER}</username>
             <password>${env.S3_PASSWORD}</password>
+            <configuration>
+              <endpoint>https://blob.globalbioticinteractions.org</endpoint>
+            </configuration>
         </server>
     </servers>
 </settings>