Add take(Iterator, N)

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1466024 13f79535-47bb-0310-9956-ffa450edef68
Add take(Iterator, N)

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1466025 13f79535-47bb-0310-9956-ffa450edef68