Update navbar.  Include extra links/shrink icons

Add About/Apply/The Team sections to the navbar.  Also shrank she size of the
social media icons.
Add footer and orangerule.

Created footer at bottom of page with name/email.  Also changed the <hr> rule
separating sections to a custom orange rule.
Added about page

Still missing nice formatting.  Currently keeps formatting of home page
sections.  Looks ugly here...