Add user_id to channels and remove from user the channel_id
Change associations between channel and user on models
When the user is a channel, on user show, redirect to channel page
Extract authorizations buttons on user profile edit to a partial
Extract all profile edit to partial. Start channel edit profile
Add markItUp to user edit page when user is a channel
Stub carrierwave download image on user model specs
Remove some deprecations warnings
Rename user social links to url
Add task to fix twitter url
Fix project channel abilities
Remove social links and email from channels
Remove some channel decorators
Replace profile upload by organization oploader and use it on channels
Replace channel.email by channel.user.email
Add channel to display_name and display_image to user decorator