cubicweb-vcreview #2731142 Info message on patch create [done]

we have info message for revision, having it for patch would help to understand what is going on.

priorityminor
typeenhancement
done in1.0.1
load0.250
load left0.000
closed by#57fceef2e4f0 [logging] print info message on patch creation (closes #2731142)