Remaining Issues Before Launch

[kevinmpowell]

• [x] Style form elements
• [x] Wire up full Google Fonts set
• [x] Wire up Font Weight & Style Selector
• [x] Add Tabbed Interface for code examples
• [x] Add syntax highlighting to code examples
• [x] Add clipboard.js functionality to code examples
• [x] Add a "results" area that demonstrates the mixin in action
• [x] Add the ability to import custom fonts
  • [x] Reference locally installed font
  • [x] Reference via URL (like TypeKit)
• [x] Add Twitter Share Link
• [x] Formula seems broken for small size fonts - is there a point where it goes negative and needs a min?