Configures project for working with GAE's NDB

modified:   blog/models.py
modified:   settings.py
First version of Create view

modified:   blog/models.py
new file:   blog/templates/base.html
new file:   blog/templates/create.html
new file:   blog/templates/index.html
new file:   blog/urls.py
modified:   blog/views.py
modified:   core/views.py
modified:   settings.py
modified:   urls.py