added app articles
added Article model class to /articles/models.py
missed underscore in primary_key argument
added Author model class to /articles/models.py
added Image model class to /articles/models.py
added descriptors to fields in Image model class
Added __str__ repr to functions in /articles/models.py
Added url field to Article model in /articles/models.py
added admin.py to articles app
fixed static_urls in settings so admin css shows up
added uplload_to function for Image model to place image in media folder
made style changes to models.py
added urls.py to app articles and created index view
added articles/urls to urlconf for main site and fixed httpresponse import
added foreign key Category model to Article and added fixtures for Category model
added fresh prince article for dev purposed to sqlite db
Added more clarification to pad_date doc string in articles/models.py
Added urlify function to articles/models.py
added archive by date range to articles/views
Added archive views by year, month, day to articles/views and associated urls to articles/urls