Merge branch 'master' into custommapreduce
Batch together AppendValue results. GetValue won't return them until Commit() is called, so the tests are failing right now
Fix the backing store tests so they properly commit their data
Ensure that the data is committed before running or updating a query
When we batch operations, ensure that they get committed anyway after a short (20s) delay.
Merge branch 'custommapreduce'