reduced redundancy in release script
[maven-release-plugin] prepare release solr-iso639-filter-4.5.0-r20130829
[maven-release-plugin] prepare for next development iteration
changing pom.xml's version via release script [skip ci]
[maven-release-plugin] prepare release solr-iso639-filter-4.5.1-r20130829
[maven-release-plugin] prepare for next development iteration
changing pom.xml's version via release script [skip ci]
fixed dev/master branch switch in release script
adjusted pom version for develop branch