Update Joiner to support multiple source entries at same template.
Update Joiner to support multiple source entries at same template.

mercadolibre/chico,atma/chico,vrleonel/chico,amireynoso/uxtest,atma/chico,vrleonel/chico,vrleonel/ml-test,amireynoso/uxtest,vrleonel/ml-test,mercadolibre/chico