Add some details about our team and Uni logos.

Extend the description on the about/team page to include a list of
which Universities we're mostly from and add links & logos for each.

Change-Id: I6f9f7593ef9ca2234367852d390bab89f107c404
Add bristol to the homepage intro box.

Signed-off-by: Sam Phippen <samphippen@googlemail.com>