Added missing packages after testing on Ubuntu 14.04
Added one more missing package after testing
Stopped trying to read and write the same stream (issue #24)
Merge pull request #25 from openaddresses/fix-cache-truncation

Stopped trying to read and write the same stream
Added configurable S3 bucket name
Best to leave bucketName undefined until it's needed
Reduced precision of geographic coordinates to slim CSV file sizes
Moved precision reduction to final CSV merge step
Updated S3 bucket note in README
Added more missing packages after testing
Merge pull request #23 from migurski/add-missing-packages

Added missing packages after testing on Ubuntu 14.04
Merge pull request #26 from openaddresses/configure-bucketname

Added configurable S3 bucket name
Merge pull request #27 from openaddresses/reduce-precision

Fixed header error and reduced precision in output CSV
Merged changes with upstream