Added SVG logos for StringKing diamond and uSTRING.
Added $black color variable.
Removed background color for .row class.
Added complete Proxima Nova font families.
Added font antialiasing and removed text-decoration from all anchor tags.
Registered Typekit scripts and styles, added Navigation options page.
Added initial header styling.
Added header element with Stringking and uSTRING logos, and main navigation links.