Fixes for sonar-qube analysis

This refer to #2186

Author: gvagenas

.travis.yml

@@ -18,4 +18,4 @@ script:
   # other script steps might be done before running the actual SonarQube analysis
   - echo "About to run sonar-scanner"
   - cd restcomm
-  - mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent sonar:sonar
+  - mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent surefire-report:report sonar:sonar