cubicweb-vcwiki #4788106 port to vcsfile 2 [validation pending]

prioritynormal
typetask
done in0.3.0
load0.500
load left0.000
closed by#7f59aa6b1f38 More fallout from vcsfile changes, #cef1570bd77c Port to vcsfile 2.0
patchPort to vcsfile 2.0 [applied]