friend's review
fix the bug in login
fix the bug in rating
remove the birthdate of facebook user from view
only facebook user can sign in
add blockUI
fix the bug reviews of current user
change the notice and error on post review
change flash notice to success
add authentication
redesigning the home page
fix the bug of home page
Merge branch 'review' into layout
add padding to user reviews
fix the bug in authentication for ajax request
Merge branch 'authentication' into review
arrange the reviews in descending order
merged master