Extend attachment filefield max length in upload form. Fixes #301.
Extend attachment filefield max length in upload form. Fixes #301.

rossp/django-helpdesk,django-helpdesk/django-helpdesk,chriscauley/django-helpdesk,mrkiwi-nz/django-helpdesk,harrisonfeng/django-helpdesk,temnoregg/django-helpdesk,fjcapdevila/django-helpdesk,temnoregg/django-helpdesk,rossp/django-helpdesk,rossp/django-helpdesk,gwasser/django-helpdesk,chriscauley/django-helpdesk,chriscauley/django-helpdesk,django-helpdesk/django-helpdesk,mrkiwi-nz/django-helpdesk,django-helpdesk/django-helpdesk,harrisonfeng/django-helpdesk,gwasser/django-helpdesk,temnoregg/django-helpdesk,django-helpdesk/django-helpdesk,mrkiwi-nz/django-helpdesk,chriscauley/django-helpdesk,harrisonfeng/django-helpdesk,fjcapdevila/django-helpdesk,gwasser/django-helpdesk,rossp/django-helpdesk,fjcapdevila/django-helpdesk,temnoregg/django-helpdesk,mrkiwi-nz/django-helpdesk,gwasser/django-helpdesk,fjcapdevila/django-helpdesk,harrisonfeng/django-helpdesk