Add web based python shell to Melange. It is accessible via http://host/admin/shell url and requires developer rights. Shell project is part of google-app-engine-samples. This commit moves django configuration from main.py to separate gae_django.py module. Shell project has been modified in order to work correctly with django 1.0+. Build script has been updated and includes shell folder and gae_django.py file. http://code.google.com/p/google-app-engine-samples/source/browse/trunk/shell/

from django.contrib import admin
from django.contrib.sites.models import Site


class SiteAdmin(admin.ModelAdmin):
    list_display = ('domain', 'name')
    search_fields = ('domain', 'name')

admin.site.register(Site, SiteAdmin)