Update code to reflect rebar3 usage

Author: SimonUnge

erlang/Makefile

@@ -1,5 +1,5 @@
 all:
-  rebar3 compile
+	rebar3 compile
 
 clean:
-  rebar3 clean && rm -rf _build
+	rebar3 clean && rm -rf _build

erlang/README.md

@@ -15,9 +15,11 @@ using apt:
 
     sudo apt-get install erlang
 
+You also need rebar3: https://rebar3.readme.io/docs/getting-started
+
 You need Erlang Client binaries:
 
-    make deps
+    make all
 
 ## Code
 

erlang/emit_log.erl

@@ -1,5 +1,5 @@
 #!/usr/bin/env escript
-%%! -pz ./deps/amqp_client/ebin ./deps/rabbit_common/ebin ./deps/amqp_client/ebin ./deps/rabbit_common/ebin ./deps/recon/ebin ./deps/lager/ebin ./deps/goldrush/ebin ./deps/jsx/ebin ./deps/ranch/ebin
+%%! -pz ./_build/default/lib/amqp_client/ebin ./_build/default/lib/credentials_obfuscation/ebin ./_build/default/lib/jsx/ebin ./_build/default/lib/rabbit_common/ebin ./_build/default/lib/recon/ebin 
 
 -include_lib("amqp_client/include/amqp_client.hrl").
 

erlang/emit_log_direct.erl

@@ -1,5 +1,5 @@
 #!/usr/bin/env escript
-%%! -pz ./deps/amqp_client/ebin ./deps/rabbit_common/ebin ./deps/amqp_client/ebin ./deps/rabbit_common/ebin ./deps/recon/ebin ./deps/lager/ebin ./deps/goldrush/ebin ./deps/jsx/ebin ./deps/ranch/ebin
+%%! -pz ./_build/default/lib/amqp_client/ebin ./_build/default/lib/credentials_obfuscation/ebin ./_build/default/lib/jsx/ebin ./_build/default/lib/rabbit_common/ebin ./_build/default/lib/recon/ebin 
 
 -include_lib("amqp_client/include/amqp_client.hrl").
 

erlang/emit_log_topic.erl

@@ -1,5 +1,5 @@
 #!/usr/bin/env escript
-%%! -pz ./deps/amqp_client/ebin ./deps/rabbit_common/ebin ./deps/amqp_client/ebin ./deps/rabbit_common/ebin ./deps/recon/ebin ./deps/lager/ebin ./deps/goldrush/ebin ./deps/jsx/ebin ./deps/ranch/ebin
+%%! -pz ./_build/default/lib/amqp_client/ebin ./_build/default/lib/credentials_obfuscation/ebin ./_build/default/lib/jsx/ebin ./_build/default/lib/rabbit_common/ebin ./_build/default/lib/recon/ebin 
 
 -include_lib("amqp_client/include/amqp_client.hrl").