Rename Daira's image and tweak hir About Us description.

Signed-off-by: Daira Hopwood <daira@leastauthority.com>
Fix some tests that were broken by content changes.

Signed-off-by: Daira Hopwood <daira@leastauthority.com>
Add collect-email handler.

Signed-off-by: Daira Hopwood <daira@leastauthority.com>
Add Piwik tracking code.

Signed-off-by: Daira Hopwood <daira@leastauthority.com>