Steps to reproduce:
1. Go to your personal page (<tuleap_url>/my/)
2. Add the widget Twitter Follow to follow an existing user, EnaleanTeam for example
3. Nothing is displayed in the widget
Reason:
The Twitter REST API v1 is no longer accessible. To get the same data, the API endpoint is now:
https://dev.twitter.com/rest/reference/get/statuses/user_timeline