Revert "fix consumer_died error"

This reverts commit 6cd8c68649a197334a8514bfd8720b758c71638a.
Revert "fix return value in  amqp_gen_consumer"

This reverts commit 7195c305bf039fa940c71ea9f3beb7cfbf4a30bd.
Tweaked rebar config to use the proper repository.
Update to 3.10.0