recurso POST para alta de Cadenas
Working on issue #164 of mgaitan/preciosa: add new model DescripcionAlternativa to have several descriptions for the same product.
Agrego scrapper para Jumbo A Casa
primera version de Waltmark
arreglos finales walmark
Merge remote-tracking branch 'upstream/develop' into develop
Merge pull request #177 from pandres/develop

Quita todos los 0s delanteros del upc.
walmart se rompe a veces la web
Merge remote-tracking branch 'upstream/develop' into develop
Agrep script para hacer scrapper de Unico Supermercados (Rosario)
sucursales post acepta ubicacion
Merge branch '163_api_sucursales' into develop. fix #163
Merge branch 'develop' of github.com:mgaitan/preciosa into develop
Merge pull request #180 from humitos/unico-scrapper

Unico scrapper
On issue #164 of mgaitan/preciosa: add new management command importar_productos_csv to process the csv. Add new model DescripcionAlternativa to have several descriptions of a product.
Merge pull request #181 from francolq/develop

Working on issue #164
Arreglo final de waltmart
Merge pull request #182 from jairot/develop

Management command para walmart. Fix #102
las descripciones deben ser únivocas para un producto. Agregando contrains unique al la oficial y las alternativas. Completa #164
las descripciones alternativas deben ser únivocas para un producto. Agregando constrain unique. Completa #164