Added circle.ci integration

- also limited to 5 seconds awaits

circle.yml

@@ -0,0 +1,19 @@
+machine:
+  java:
+    version: oraclejdk8
+  environment:
+    _JAVA_OPTIONS: "-Xms1024m -Xmx2048m"
+dependencies:
+  override:
+    - ./mvnw -s .settings.xml --fail-never dependency:go-offline || true
+test:
+  override:
+    - ./mvnw -s .settings.xml clean install -nsu --batch-mode -Dmaven.test.redirectTestOutputToFile=true -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn
+  post:
+    - mkdir -p $CIRCLE_TEST_REPORTS/junit/
+    - find . -type f -regex ".*/target/.*-reports/.*xml" -exec cp {} $CIRCLE_TEST_REPORTS/junit/ \
+notify:
+  webhooks:
+    # A list of hook hashes, containing the url field
+    # gitter hook
+    - url: https://webhooks.gitter.im/e/fac69f6fc000ef14f7ec