Add docs for creating model and model tests
Improve instructions for adding posts to admin
Add instructions for starting TDD process
Screenshots and round out model testing a bit
Merge remote-tracking branch 'origin/master' into models

Conflicts:
	tutorials/index.rst
Add BASE_DIR variable to settings file
Start views tutorial
Flesh out base template on views tutorial
Fix code block typo
Add TODO about showing blog posts
Refine the intro

- Put the introduction right on the front page
- Fill out the prerequisites
Adding that first test at the start
More updates to the text

Also screenshots.
Convert to list views later on
Merge pull request #9 from pythonsd/refine-intro

Refine the intro
Merge branch 'views' of github.com:pythonsd/learning-django-by-testing into views

Conflicts:
	tutorials/03-views.rst
Fix mistake in tree and name file index.html
Fix typo in index.html HTML
Fix incorrect screenshot in views tutorial
Improve base.html/index.html and homepage tests