Update talk with new information and images.

* images/contributor-pie-chart.png: Up to date stackyltics graph for
for Havana dev cycle.

* images/jobs-launched.png: Capture end of H3 jobs launched as the
numbers there are very impressive. Make text larger and bolder, remove
legend (title covers legend info).

* images/status.png: Use recent Zuul status screen cap to show current
pipelines and sparklines.

* index.html: Add Clark to author list, update project list to include
marconi, fix a JJB documentation link TODO, correct python test
platforms, and note integration tests are run in parallel.

Change-Id: I19f11824abb0db6b9442e73c8309978a21be774d