Fixed javadoc issues
[maven-release-plugin] prepare release stateless4j-2.4.0
[maven-release-plugin] prepare for next development iteration
Updated README to show latest maven version
Merge branch 'master' of https://github.com/oxo42/stateless4j
Merge branch 'master' into major_rewrite

Conflicts:
	src/main/java/com/github/oxo42/stateless4j/StateConfiguration.java
	src/main/java/com/github/oxo42/stateless4j/StateMachine.java