fix update date
expose in json UnattachedMessage add()
fix authentication management in ajax
expose refactor Participant->add()
rename json fields
remove unused .ctp
expose API participant->optin() and optout()
remove commented line
fix missing Participant key
add optin/optout view in json
fix redirection after save separate message
fix redirecting after edit on web page
allow have a raw list of phone for unattached messages
Merge branch 'develop' of https://github.com/texttochange/vusion-frontend into develop
Merge branch 'develop' into feature/add_json_api_participant_separate_message
Merge branch 'feature/add_json_api_participant_separate_message' into develop