mobile styles for home pg
add ciu omniauth
set omniauth ciu provider
user: add devise omniauthable
add omniauth routes, add omniauth callback controller
change signinlink to use omniauth
add uid to user
omniauth: add init w/ ciu provider
add thin & quiet assets
user: remove devise methods
users factory: add uid sequence
fill in omniauth#ciu to find/create new users from oauth data, user#find_or_create_by_auth
user#emailreq?: add back method