app: added color
app
app
App: Added favoriteColor to User
App: dataSource change
Added logout link
app fix login url
client-side: Added gplus javascript, sign-in button, and callback
client-side: Retrieve additional data from API
client-side: Added email from oauth2 api to profile
server-side: Implemented server-side authentication
server-side: Added autologin on inner page
server-side: prevent auto-login in login page