continuous delivery of snapshots

.travis.yml

@@ -4,3 +4,20 @@ jdk:
   - oraclejdk7
   - oraclejdk8
 
+deploy:
+  provider: script
+  script: "cp .travis.settings.xml $HOME/.m2/settings.xml && mvn deploy"
+  skip_cleanup: true
+  on:
+    tags: true
+
+# do not install anything instead return true via unix command true
+install: true
+script: mvn clean test
+notifications:
+  email:
+    - github@graphhopper.com
+
+# enable container-based stack
+sudo: false
+