Fix lock TTL having wrong units
Add optional tracking of history for messages with a 'key'
Modify API to track MessageContext
Set leveled compaction strategy for queue cf's
Extract message handler instantiation into a factory so it can be tied
to dependency injection
Add check for nulls when creating a batch mutation
Merge branch 'master' of github.com:Netflix/astyanax
renamed StringEntityManager to DefaultEntityManager
leverages Serializer to get and set individual columns/fields; removed Coercions class