[maven-release-plugin] prepare branch 2.0.x

git-svn-id: https://svn.apache.org/repos/asf/uima/uimafit/trunk@1552198 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://svn.apache.org/repos/asf/uima/uimafit/trunk@1552200 13f79535-47bb-0310-9956-ffa450edef68