Add default maven default goal (clean, test, clirr, rat and javadoc) and run it on travis.

Author: PascalSchumacher

.travis.yml

@@ -16,6 +16,9 @@
 language: java
 sudo: false
 
+script:
+  - mvn
+
 jdk:
   - openjdk7
   - oraclejdk8

pom.xml

@@ -149,6 +149,7 @@ CSV files of various types.
   </properties>
 
   <build>
+    <defaultGoal>clean verify apache-rat:check clirr:check javadoc:javadoc</defaultGoal>
     <pluginManagement>
       <plugins>
         <plugin>