apache/incubator-streams — pull request #121 by steveblackmon (2014-11-07 00:26:49+00:00)
Title: move type conversion and date format handling out of contribs into core.

includes...
use StreamsJacksonMapper with channel-specific date support
deprecate StreamsTwitterMapper
deprecate StreamsDatasiftMapper
use generic TypeConverterProcessor
deprecate/delete now unnecessary classes
refactor event classification
add event classification tests
refactor channel serialization
update tests