[MPMD-188] Require Java 6

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1614188 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare release maven-pmd-plugin-3.2

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1614190 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1614192 13f79535-47bb-0310-9956-ffa450edef68
[MCHECKSTYLE-242] added fine grained igore of violations

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1614200 13f79535-47bb-0310-9956-ffa450edef68
[MCHECKSTYLE-243] log check violations to console by default

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1614202 13f79535-47bb-0310-9956-ffa450edef68
[MCHECKSTYLE-243] log check violations to console by default

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1614203 13f79535-47bb-0310-9956-ffa450edef68