Added noop and memory instrumentors.
Correct spelling of instrumenters.
Remove logger and add instrumenter.

Instrumenter can handle the logging with a log subscriber.
Ensure result of some sort is sent with event and returned.
Correct spelling of instrumenter and shorten event name.
Remove logger from client and add instrumenter.
Change examples to use a log subscriber.
Merge pull request #9 from jnunemaker/instrumentation

Added Instrumentation