Start deprecation cycle for c.h.h.j.sparql.resultset.ResultSetRewindable.
Version in public API is the correct one (and has been for a while).
Clean all code appropriately.

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1464901 13f79535-47bb-0310-9956-ffa450edef68