fixes problem, when a custom json_store_url is passed and just {% datagrid %} without app and modelname is required
fixes problem, when a custom json_store_url is passed and just {% datagrid %} without app and modelname is required

google-code-export/dojango,tectronics/dojango,rubendario25/dojango,google-code-export/dojango,rubendario25/dojango,tectronics/dojango,tectronics/dojango,google-code-export/dojango,rubendario25/dojango