Cleanup weird things

- Removed System.out.println()
- Some javadocs cleanups
Allowing any number of failed tests to be in a passed build is a big anti pattern.

As for xunit - no.

On 24 October 2014 00:34:22 BST, Kanstantsin Shautsou <notifications@github.com> wrote:
>>  			build.setResult(Result.UNSTABLE);
>> +		}
>
>Ideally here should be configuration value them may set thresholds.
>xUnit plugin has ready UI classes for it. Have you looked on
>https://wiki.jenkins-ci.org/display/JENKINS/xUnit+Plugin core? Can this
>plugin be based on xUnit?
>
>---
>Reply to this email directly or view it on GitHub:
>https://github.com/jenkinsci/cucumber-testresult-plugin/pull/2/files#r19315643

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