Cleanup the readme to match the Queue API.
Changed `createJob` to `add`,
Also removed the jobName syntax, since `Queue##process` doesn't take
that argument anymore. Finally, changed the example to use three
different Queues for the media transcoding, since the multiplexing on
job name isn't supported.
Merge pull request #4 from codyhanson/master

Cleanup the readme to match the Queue API.