Cleaned up wrt code analysis

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1631511 13f79535-47bb-0310-9956-ffa450edef68
[MSHARED-257] Extracted Xpp3DomUtils

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1631512 13f79535-47bb-0310-9956-ffa450edef68
Updated plugins

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1631522 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare release maven-shared-utils-0.7

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1631523 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1631525 13f79535-47bb-0310-9956-ffa450edef68