maven-checkstyle-plugin 2.1 -> 2.3 (2.4 fails with "Embedded error: Error rendering Maven report: Failed during checkstyle configuration TreeWalker is not allowed as a parent of Header")
maven-checkstyle-plugin 2.1 -> 2.3 (2.4 fails with "Embedded error: Error rendering Maven report: Failed during checkstyle configuration TreeWalker is not allowed as a parent of Header")

git-svn-id: a66ef3f0e6c00b14098e182847b4bd646263fa09@1022277 13f79535-47bb-0310-9956-ffa450edef68

mohanaraosv/commons-pool,mohanaraosv/commons-pool,mohanaraosv/commons-pool