Clean up and document the client side spike code.
Clean up server side spike code, inlude a test (!)
Fix bug where falsey data was passed to makeEvent.
Clean and document the updateUserSpikes method.
Render stream now follows revisions.
Restore codecasting and revision bumping.
Include url in stream log.
Merge pull request #672 from remy/fix/spikes

Spikes: revision following in event streams