Small changes in README.
Small changes in README.

gogobook/django-c10k-demo,aaugustin/django-c10k-demo,gogobook/django-c10k-demo,phamvanhung2e123/django-c10k-demo,gogobook/django-c10k-demo,aaugustin/django-c10k-demo,aaugustin/django-c10k-demo,phamvanhung2e123/django-c10k-demo,phamvanhung2e123/django-c10k-demo