cubicweb #3803681 Include new logo [validation pending]

This require to forget the orange header...

prioritynormal
typeenhancement
done in3.19.1
load2.000
load left0.000
closed by#7bc3e55d365e [views] new cubicweb logo (closes #3803681)
patch[views] new cubicweb logo (closes #3803681) [applied]
attachment