Feature/566 Notifications for Position Updates (#57)

* Produce message to notificiation topic. Unit tests fail
* Fix code inaccuracy. Unit tests fail
* Remove unused code.
* Added stub for settlementTransferReserve
* Remove unused requires
* Reworked unit tests.
* Corrected unit tests and provide full tests coverage

Author: ggrg

config/default.json

@@ -6,5 +6,41 @@
   "HUB_PARTICIPANT": {
     "ID": 1,
     "NAME": "Hub"
+  },
+  "KAFKA": {
+    "TOPIC_TEMPLATES": {
+      "GENERAL_TOPIC_TEMPLATE": {
+        "TEMPLATE": "topic-{{functionality}}-{{action}}",
+        "REGEX": "topic-(.*)-(.*)"
+      }
+    },
+    "PRODUCER": {
+      "NOTIFICATION": {
+        "EVENT": {
+          "config": {
+            "options": {
+              "messageCharset": "utf8"
+            },
+            "rdkafkaConf": {
+              "debug": "all",
+              "metadata.broker.list": "localhost:9092",
+              "client.id": "cs-prod-notification-event",
+              "event_cb": true,
+              "compression.codec": "none",
+              "retry.backoff.ms": 100,
+              "message.send.max.retries": 2,
+              "socket.keepalive.enable": true,
+              "queue.buffering.max.messages": 10000000,
+              "batch.num.messages": 100,
+              "dr_cb": true,
+              "socket.blocking.max.ms": 1,
+              "queue.buffering.max.ms": 1,
+              "broker.version.fallback": "0.10.1.0",
+              "api.version.request": true
+            }
+          }
+        }
+      }
+    }
   }
 }