Some more code cleanup, remove duplicate code etc.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/jcs/trunk@1606505 13f79535-47bb-0310-9956-ffa450edef68
Fix author
Remove my attribution entries

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/jcs/trunk@1606509 13f79535-47bb-0310-9956-ffa450edef68