[FUNCTOR-22] Added generics to ComparableComparator. Few other classes that used the ComparableComparator were updated too. Tests were also updated accordingly. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/functor/trunk@1364676 13f79535-47bb-0310-9956-ffa450edef68
21 files changed