delete read articles retrieved since more than 15 days.
delete read articles retrieved since more than 15 days.

cedricbonhomme/pyAggr3g470r,JARR/JARR,JARR-aggregator/JARR,JARR-aggregator/JARR,JARR/JARR,cedricbonhomme/pyAggr3g470r,JARR/JARR,JARR/JARR,cedricbonhomme/pyAggr3g470r,JARR-aggregator/JARR,JARR-aggregator/JARR,cedricbonhomme/pyAggr3g470r,cedricbonhomme/pyAggr3g470r