Add CNAME for Github Pages

I added the CNAME file for Github Pages.
Remove unneeded images

I removed the unneeded images that the client wanted deleted.
Add description, keywords, tracking

I added descriptions and keywords to every page of the site. I also
added Google Analytics tracking to each page.
Add Google Webmaster Tools verification file

I added the Google Webmaster Tools verification file.
Add robots.txt file

I added a base robots.txt file.
Add sitemap.xml

I added a sitemap file.
Merge branch 'gh-pages'