cleanup -- remove scribe references
rename getType to getDataType
rename getValue to getMetricValue
break DataType out into separate file as per TODO
add an equals method to metric
Merge pull request #276 from fourk/kafka_ingest_prep

Kafka Ingest prep-work -- Renamings and refactorings
Change the Rollup Cloud Files export format
Prepend with date again
Add unique identifier for Cloud Files host
Merge pull request #278 from chinmay-gupte/chinmay/fix_cloudfiles_export_filename

Change the Cloud Files rollup exporter file name format