[Bug 34896] Tango orange icons might not be HIG compliant

[Jeff Waugh]

Public bug report changed:
https://launchpad.net/malone/bugs/34896

Comment:
The GNOME HIG recommendations regarding icons have largely been
obsoleted by the Tango guidelines. We should aim to complement the Tango
guidelines with specific branding guidelines for our own thin layer on
top of the Tango theme (which can extend to recolourisation, ala
Tangerine).