Removed docs/writing-apps-guide-outline.txt -- not sure what that was.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@2753 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/writing-apps-guide-outline.txt

-- Getting started
-    - The application package structure
-    - INSTALLED_APPS
-    - Each step, explained tersely
-- Writing models
-    - The model
-    - Admin specification
-- Initializing the database
-    - Custom SQL
-- Views
-    - URL dispatch
-    - View functions
-    - Request object
-    - Response objects
-- Custom template tags/filters