Renamed main.(less|css) to sovva.(less|css)
Removed syntax.css
Created a custom bootstrap build with `less/sovva.less`; added it to the `default.html` layout
Updated default layout markup to use Bootstrap selectors

Could not use desired Bootstrap rulesets as mixins
Changed `viewport` meta tag in `default.html`; added `lang="en"` to `html` tag
Made "Posts" header on homepage an <h2>
Got rid of site `.container` div. Using <body> instead
Added a navigation menu
Added `padding-top:` above the <body>
Decreased Bootstrap `.container`'s `max-width`
Merge branch 'theming'