eclipse source clean-ups (final members, override annotations, for-each loops) git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1752037 13f79535-47bb-0310-9956-ffa450edef68
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1642493 13f79535-47bb-0310-9956-ffa450edef68