Add release profile for distribution management

.travis.yml

@@ -17,7 +17,7 @@ install:
 - mvn --settings .settings.xml install -P docs -q -U -DskipTests=true -Dmaven.test.redirectTestOutputToFile=true
 - ./docs/src/main/asciidoc/ghpages.sh
 script:
-- '[ "${TRAVIS_PULL_REQUEST}" != "false" ] || mvn --settings .settings.xml deploy -nsu -Dmaven.test.redirectTestOutputToFile=true'
+- '[ "${TRAVIS_PULL_REQUEST}" != "false" ] || mvn --settings .settings.xml deploy -P release -nsu -Dmaven.test.redirectTestOutputToFile=true'
 - '[ "${TRAVIS_PULL_REQUEST}" = "false" ] || mvn --settings .settings.xml install -nsu -Dmaven.test.redirectTestOutputToFile=true'
 env:
   global: