Improve the RabbitMQ client patch
Improve the RabbitMQ client patch

Users need to deploy both client and server to production,
therefore the server needs to be fetched and its folder
named correctly.

rabbitmq/erlang.mk,ingwinlu/erlang.mk,nevar/erlang.mk,ninenines/erlang.mk,a12n/erlang.mk,jj1bdx/erlang.mk,hairyhum/erlang.mk,crownedgrouse/erlang.mk,yannayl/erlang.mk,bsmr-erlang/erlang.mk,KrzysiekJ/erlang.mk