Include the sstream header to get ostringstream on windows.
Merge pull request #142 from robertmaynard/proto_jobs_missing_includes

Include the sstream header to get ostringstream on windows.
Increase the min polling rate.
Merge pull request #143 from robertmaynard/improve_message_router_polling

Increase the min polling rate.
Allow remus more time to process when running SimpleJobFlow test.
Merge pull request #144 from robertmaynard/simple_job_flow_more_waits

Allow remus more time to process when running SimpleJobFlow test.
make the cheap blocking in message router test more durable.
Split the message router tests into 3 separate tests.

These tests are really complicated and failure randomly, I want to split them
into separate tests so I can dig into exactly why the tests fail.