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/

Comment style fix in soc.views.models.organization module.

First step in the module design The new module design allows modules to be registered by adding them to settings.MODULES. Currently modules cannot do a lot (they can register with the sidebar and the sitemap), but the structure is in place.