Added memory and noop instrumenters.
Added Toy.instrumenter and defaulted to noop.
Simplify logger setup in helper.
Added instrumenter spec helpers.
Instrument query methods.
Kill travis image.
Added instrumentation to save and destroy.
Change save to create/update. Added model to payload.
Added log subscriber.
Common active support notification requires and setup.
Added metriks to gemfile.
Automatic metriks integration.
Document instrumentation goodies in readme.
Remove logging. There is now a log subscriber. Use that instead.
Get the changelog up to date.
Merge branch 'instrumentation'