Added sonarqube.

.travis.yml

@@ -2,6 +2,16 @@ language: java
 
 jdk:
   - oraclejdk8
- 
+
+addons:
+  sonarcloud:
+    organization: "ethauvin-github"
+
 before_install:
-  - chmod +x gradlew
+  - chmod +x gradlew
+
+after_success:
+  - |
+    if [ "${TRAVIS_TEST_RESULT}" == 0 ]; then
+      ./gradlew sonarqube
+    fi