screenshot path correction in README
screenshot path correction in README

pombredanne/django-hstore,djangonauts/django-hstore,djangonauts/django-hstore,Stranger6667/django-hstore,Stranger6667/django-hstore,pombredanne/django-hstore,djangonauts/django-hstore,Stranger6667/django-hstore,pombredanne/django-hstore,djangonauts/django-hstore,Stranger6667/django-hstore,pombredanne/django-hstore