Calls of /login and /token do not send accept header

[sitina]

Looking into the logs it seems that calls of /login and /token do not send accept header. Please check and fix that. Thank you

[jimirocks]

This is most probably bug in underlying https://github.com/gooddata/gooddata-http-client/blob/master/src/main/java/com/gooddata/http/client/GoodDataHttpClient.java