add maven default goal (clean, verify, apache-rat, clirr, javadoc) and execute it on travis

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1812924 13f79535-47bb-0310-9956-ffa450edef68

Author: PascalSchumacher

.travis.yml

@@ -21,5 +21,8 @@ jdk:
   - oraclejdk8
   - oraclejdk9
 
+script:
+  - mvn
+
 after_success:
   - mvn clean cobertura:cobertura coveralls:report -Ptravis-cobertura

pom.xml

@@ -242,6 +242,7 @@ limitations under the License.
     <commons.jacoco.version>0.7.9</commons.jacoco.version>
   </properties>
   <build>
+    <defaultGoal>clean verify apache-rat:check clirr:check javadoc:javadoc</defaultGoal>
     <pluginManagement>
       <plugins>
         <plugin>