Fixed Javadoc errors that made it impossible to build javadoc jar (maybe only under jdk8).
Especially problematic was error "self-closing element not allowed" for "<br />" tags (should be "<br>").
mvn deploy works. For now deploys to https://github.com/iirekm/maven-repo
How to deploy to Maven Central? Instructions in distributionManagement in pom.xml
Update README.md
Merge pull request #4 from iirekm/master

mvn deploy works