Added PHP for header and footer

Added some php logic to standard the content that appears on the top
and bottom of each page. This includes all <head> content and the
beginning of the <body> tag for the header, and GA scripts and the end
</body> and </html> tags in footer.
blanked index, updated 404 for favicons

Blanked out the placeholder body content on index, added favicons to
the 404 page.
First draft of index page completed

Added font-awesome support, created index page content and arranged as
per design. Currently nonfunctional