migrate to circleci 2.0 (#243)

Author: ttaschke

.circleci/config.yml

@@ -0,0 +1,18 @@
+version: 2
+
+jobs:
+  build:
+    docker:
+      - image: docker:18.06.1-ce-git
+    steps:
+      - run:
+          name: Dependencies
+          command: docker build -t puckel/docker-airflow .
+  test:
+    docker:
+      - image: docker:18.06.1-ce-git
+    working_directory: ~/
+    steps:
+      - run:
+          name: Test
+          command: docker run puckel/docker-airflow version |grep '1.10.0'