Merge pull request #275 from stevendgonzales/master

updates to sinks code and unit tests
Merge pull request #276 from stevendgonzales/master

add support for multiple data adapters and dynamic loading of adapters
Merge pull request #277 from stevendgonzales/master

implement writing to short term sink
Comment clarification
Merge pull request #278 from chadlung/master

Comment clarification