test for continuation when streaming 2i query

broken in 1.2.1
ensure continuations get sent when streaming
Merge pull request #49 from aaronmccall/master

correct lack of continuations in streaming 2i queries
allow continuation to come through in streaming responses correctly
allow continuation to come through in streaming responses correctly
bump version
Merge branch 'master' of https://github.com/nlf/riakpbc into protobuf-21