pass w3c markup validation

Added one line (doctype) and changed two to pass for html 4.01 transitional.

before:
http://validator.w3.org/check?uri=http%3A%2F%2Fnetflix.github.io%2F%23repo&charset=%28detect+automatically%29&doctype=Inline&group=0

after:
http://validator.w3.org/check?uri=http%3A%2F%2Fmaxvgc.github.io%2Fnetflix.github.com%2F%23repo&charset=%28detect+automatically%29&doctype=Inline&group=0