CF Acceptance tests - partitioning

* Partitioning samples
* Common partitioning producer, partitioned kafka consumer and partitioned rabbit consumer
* Local acceptance tests
* Adding CF acceptance tests for partitioning
* Externalizing CF e2e test credentials

partitioning-samples/docker-compose.yml

@@ -0,0 +1,19 @@
+version: '3'
+services:
+  kafka:
+    image: wurstmeister/kafka
+    container_name: kafka-partitioning
+    ports:
+      - "9092:9092"
+    environment:
+      - KAFKA_ADVERTISED_HOST_NAME=127.0.0.1
+      - KAFKA_ADVERTISED_PORT=9092
+      - KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181
+    depends_on:
+      - zookeeper
+  zookeeper:
+    image: wurstmeister/zookeeper
+    ports:
+      - "2181:2181"
+    environment:
+      - KAFKA_ADVERTISED_HOST_NAME=zookeeper