cubicweb-mercurial-server #2356406 add a config option for cloning from the cubicweb app instance itself [deprecated]

this would help network configuration

prioritynormal
typeenhancement
done in0.1.0
load0.000
load left0.000
closed by#3787e2621044 (closes #2356406) add a config option for cloning from the cubicweb app instance itself