Ignore Symbolset webfonts folder contents.
Use Symbolset font for social links.

- Add stylesheet link to Symbolset Social set (not included in repo).
- Add social container element in header for links.
- Move social links and replace with Symbolset.
- Hide social container for mobile.
- Update readme with reference to Symbolset.
Add tablet specific stylesheet.

- Add reference in layout template for specific device-width.
Fix styling and reference issues.

- Update webfonts directory path to root.
- Add padding to bottom of header element.
- Change color of social links.
- Match hover to social for all links.
- Set mix / max width for tablet stylesheet.