setup for facebook app
add oauth callback url scheme
facebook login view
facebook login
manual facebook post with picture or youtube movie.
save select sns status.
refactaring
delete no use instance valiable.
fix send tweet view for selecting sns.
facebook auto post with album artwork.
add privacy policy for facebook
fix privacy policy
Merge branch 'feature/facebook' into develop
fix
set version 2.0.0
Merge branch 'release/2.0.0'