Update logo on Nightly firstrun page (Bug 939921)
Merge pull request #1415 from mozilla/bug-939921-nightly-firstrun-logo

Update logo on Nightly firstrun page (Bug 939921)
Careers teaser in comment and error console. Bug 937719.
Merge pull request #1411 from fwenzel/careers-teaser

Careers teaser in comment and error console. Bug 937719.