Added functional tests
Added model for blog, and create a blog list view as the blog home page with unitest test
Changed the home page context boject name to 'blog_list' and added unit tests to test the home page with and without blog posts
Added view for creating new blog post with test
Added tests to test create blog post with full info or without info, current failing on redirect, because no blog detail view created yet
Added test to test blog detail view and created create new blog function which can be used in diffrent tests
Added blog detail view
Changed a bit functional test and a bug in models which calling the wrong name of reverse url