yams #296748 stop using repr/eval in constraint marshalling [validation pending]

Will require a lockstep cubicweb update to migrate all constraints to the new scheme.

prioritynormal
typeenhancement
done in0.43.0
load1.000
load left0.000
closed by#d6391593c571 [constraints] use json for serialization
patch[constraints] use json for serialization [applied]