Separate global components into includes for convenience, and to familiarize users with includes structure
Add conditional to default to site.name if no page.title is set
Add description meta set in config, for teh google :heart:
Add canonical meta set with config params for more google :heart:
Remove redundant home link
Refactor header markup

- use anchor instead of h1 for site title, for semantic accuracy, and
because post h1’s should be the post title
- implement nav wrapper for nav links
- use div.wrap for design structure
Footer markup restructuring

- rework footer to use columns
- add additional area for generic text
Restructure default template to include page content wrap