updates bootstrap loader and webpack-plugin
updates bootstrap loader and webpack-plugin

warrenatmindset/DjangoFlowApp,vintasoftware/django-react-boilerplate,vintasoftware/django-react-boilerplate,warrenatmindset/DjangoFlowApp,vintasoftware/django-react-boilerplate,vintasoftware/django-react-boilerplate,warrenatmindset/DjangoFlowApp,warrenatmindset/DjangoFlowApp