Update travis build command

Author: fsantiag

travis.sh

@@ -2,4 +2,4 @@ if [ ! -z "$TRAVIS_TAG" ]; then
     sed -i "s/[0-9].\+-SNAPSHOT/${TRAVIS_TAG:1}/g" pom.xml
 fi
 
-mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent package install sonar:sonar
+mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent package package org.jacoco:jacoco-maven-plugin:report sonar:sonar