[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] prepare for next development iteration

mihailim/epubcheck,mihailim/epubcheck,IDPF/epubcheck,mihailim/epubcheck,mihailim/epubcheck,IDPF/epubcheck,IDPF/epubcheck,w3c/epubcheck,w3c/epubcheck,w3c/epubcheck,IDPF/epubcheck,IDPF/epubcheck,mihailim/epubcheck