Fixing qiita client

[josenavas]

When the OAuth2 token expires, we are requesting a new token - however, we were not changing it in the headers when retrying the request.

[coveralls]

Coverage increased (+0.02%) to 83.023% when pulling c3e8a9f on josenavas:fixing-qiita-client-oauth2-retry into b923147 on biocore:master.