fixed auto-setup of sys.path on SDK 1.6.0
fixed auto-setup of sys.path on SDK 1.6.0

Implisit/djangoappengine,brstrat/djangoappengine,potatolondon/djangoappengine-1-4,potatolondon/djangoappengine-1-4,dwdraju/djangoappengine,django-nonrel/djangoappengine