Bug 956738 - Move structured logging to mozbase, r=ahalberstadt
fixup! Bug 956738 - Move structured logging to mozbase, r=ahalberstadt

Add missing file
fixup! Bug 956738 - Move structured logging to mozbase, r=ahalberstadt

Make tests pass when all mozbase tests are run together.
Merge pull request #55 from jgraham/structuredlog

Bug 956738 - Move structured logging to mozbase, r=ahal