language: java
jdk:
  - oraclejdk7
  - oraclejdk8
  - openjdk7
  - openjdk6

language: java
script: mvn verify javadoc:javadoc
jdk:
  - oraclejdk7
  - oraclejdk8
  - openjdk7
  - openjdk6

Verify javadoc on Travis CI.
Verify javadoc on Travis CI.

The build should fail for Javadoc issues.
