RAT check to exclude truststore files

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/branches/4.3.x@1632767 13f79535-47bb-0310-9956-ffa450edef68
Updated release notes for HttpCore 4.3.3 release

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/branches/4.3.x@1632768 13f79535-47bb-0310-9956-ffa450edef68