use new serializer
properly shut down on shutDown
Improve error throwing in RollupEventSerializer
Change the expected error
Change the comment RTE->IOError
Merge pull request #244 from chinmay-gupte/refactor_serializer_a_bit

Refactor error handling in RollupEventSerializer
Merge remote-tracking branch 'racker/master' into bf_cloudfiles

Conflicts:
	blueflood-core/src/main/java/com/rackspacecloud/blueflood/outputs/serializers/RollupEventSerializer.java
Merge pull request #243 from fourk/bf_cloudfiles

Bf Cloudfiles update
don't try to compute rollup from no points
Merge pull request #247 from fourk/hotfix_nulls

hotfix null data
Add ideas
Update Ideas.md
Update Ideas.md
Cosmetic changes
Fix rollup start time inconsistency for dynamic rollups
Fix rollup start time inconsistency for dynamic rollups
Fix edge case around 0 points returned
Add NULL entries to cache so repeated calls to non-existent meta don't make db calls
Use interned string instead of regular literal
Fix tests to use put() and not databasePut directly