Search updates for mobile compatibilty.

Changed "search" to "go."
Increased size of search box for phone browsers.
Fixed right-size padding

Fixed right-size padding for aside.
Added search, new icons, widget scss.

Improved compatibility for retina displays.
Added search scss.
Removed css files from git.
Added new social icons.
Added widgets, new icons.

Improved retina compatibility.
Renamed main to index.