updated readme file
updated readme file

interisti/django-files-widget,alexander-gridnev/django-files-widget,alexander-gridnev/django-files-widget,alexander-gridnev/django-files-widget,dellax/django-files-widget,interisti/django-files-widget,interisti/django-files-widget,dellax/django-files-widget,dellax/django-files-widget