Update faraday and faraday_middleware to 1.0

[pravi]

Closes #115

1 test is failing

  1) DiasporaFederation::HttpClient.get follows redirects not more than 4 times
     Failure/Error: expect { HttpClient.get("http://www.example.com") }.to raise_error FaradayMiddleware::RedirectLimitReached

     NameError:
       uninitialized constant FaradayMiddleware::RedirectLimitReached
     # ./spec/lib/diaspora_federation/http_client_spec.rb:36:in `block (3 levels) in <module:DiasporaFederation>'

[pravi]

@SuperTux88 thanks, can you make a new release so I can try updating Faraday in diaspora as well.