add gitignore for editing virtualenv src
add gitignore for editing virtualenv src

fedosov/django-generic-ratings,fedosov/django-generic-ratings,gradel/django-generic-ratings,gradel/django-generic-ratings,atheiste/django-generic-ratings,gradel/django-generic-ratings,atheiste/django-generic-ratings,fedosov/django-generic-ratings,atheiste/django-generic-ratings