Formatting
Updating and clarifying code

Replacing use of deprecated ereg(), improving a conditional, formatting
Adding basic favicon include

Note: favicon should reside in the root of your current theme (keep
thematic stuff / presentation in one place); also, some formatting
Adding better pagination via WP PageNavi

With fallback in case the plugin is not installed or enabled
Fixing google+ icon codes for icon mixin

Also, adding pagination-related tags to comment definition at top of
fine and bumping the version
Adding sup and sub basic styles

(Also, commiting updated generated CSS file)
i18n of "Search" button

Also, no closing slash for self-closing tags in HTML5