removed field_labels and updated init to keep extra_headers in the correct order
removed field_labels and updated init to keep extra_headers in the correct order

Capstrat/django-file-picker,caktus/django-file-picker,Capstrat/django-file-picker,Capstrat/django-file-picker,caktus/django-file-picker,caktus/django-file-picker,caktus/django-file-picker,Capstrat/django-file-picker