Merge pull request #65 from javierj/master

Minor refactoring for erasing repeated code.
Credits for last merge.
Add Jalopy formatter back to build.
Javadoc fix.
Add javadoc target back to build.
Add Javadoc and EPL to distribution archives.
Update home page link in Javadoc.
Update README.
Remove obsolete file.
Fix all Javadoc warnings.