resolves STREAMS-241
headers
resolves STREAMS-212
logging and javadocs
deprecate ActivitySerializer
key classes and interfaces for STREAMS-218
Also test for detection / conversion of custom types
JavaDocs
Code Comments
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'
PR feedback
fix PR feedback bug
Merge branch 'STREAMS-218'