resolves STREAMS-241
headers
resolves STREAMS-212
logging and javadocs
Merge branch 'STREAMS-241'

Conflicts:
	pom.xml

+ minor tweak to how Reflections is instantiated in StreamsJacksonModule to get rid of warnings during test execution.
Merge remote-tracking branch 'steveblackmon/STREAMS-212'
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-streams into w2o-master

Conflicts:
	streams-components/streams-converters/pom.xml