Add omniauth
Add sign_in
Add create user with authinfo
Add sign_up/sign_in
Display iamge and name with login
Add multi member
Merge branch 'omniauth'
Rename sessions
Add user join to event
Merge branch 'join_event'
Change user image size
Add user info page
Merge branch 'user_joined_events'
Remove cricle image
Merge branch 'design'