setup the homepage for website.

have no picture on it yet.
and I hope to enlarge the setup poll button.(but how?)
add Option Page UI
Update UI for homepage

Compared with Jason's, Mine is so stupid... so copy the text and design
from his.
add SignIn and SignUp page

exactly copy the code from Jason's. it is ok I think he will never know
that (what?
change Option menu to Overlay

looks Cooler huh?
modify size of Sign Up button
modify the width of option.