Merge branch '1.4.1' of github.com:DarioBalinzo/kafka-connect-elasticsearch-source into 1.4.1

Author: DarioBalinzo

.circleci/config.yml

@@ -0,0 +1,11 @@
+# Check https://circleci.com/docs/2.0/language-java/ for more details
+#
+version: 2
+machine: true
+jobs:
+  build:
+    machine: true
+    steps:
+      - checkout
+
+      - run: mvn -B clean install