BatchedStore no shift, limit times for merge result
TestUtil batchCover to give batches in input space
comments & rename in readBatched
move limitTimes to mergeBatched
readBatched now in terms of time; dont need to return time intervals, keep in monad
addressing oscar's comments
error message back to 2.9 style to get travis to green
Unit tests to pass in correct time interval to scala job; setLower()
Merge pull request #573 from twitter/kgonina/batch_store_interval_fix

Fixes BatchedStore interval calculation