Delete _includes/footer.html
Convert whitespace tabs to spaces
Add _includes/head.html
Make post and page layouts inherit from default
Declare page atom feed
Amend site variables
Add baseUrl site variable to build absolute paths
Apply default layout to posts (as well as pages)
Separate front-matter and content with a new line
Amend site variables and add path variable
Use redcarpet for markdown conversion
Render a posts list
Mark-up temporary global navigation