Layout code to show hbar labels as links.
Merge pull request #27 from eric-wu/develop

Click the y axis to restore the original max.
Merge remote-tracking branch 'origin/develop'
Rewrite the data model to accommodate more than one x column.
Merge pull request #28 from eric-wu/master

Rewrite the data model to handle multiple x columns
Update the dashboard library.
Upgrade Play.
Add MetricType to detach charts from models.
Trivial comment change.
Minor String changes.
Rewrite the model module.
Remove the timeSeries option. Timestamp conversion is based on the predefined header instead.
Replace ySeries with rows.
Add ySeries.
Fit the line chart to use the new data model.
Give a better series name.
Fix resetting max.
Hook up clicks on week and month.
Add more latency metrics.
Merge pull request #29 from eric-wu/master

Expand the JavaScript data model