Updating circleci config to version 2. (#59)

.circleci/config.yml

@@ -0,0 +1,16 @@
+version: 2
+jobs:
+    test:
+        docker:
+            - image: circleci/node:8.9.3
+        steps:
+            - checkout
+            - run: npm install
+            - run: npm run test:coverage
+            - run: npx codeclimate-test-reporter < ./coverage/lcov.info
+            - run: npm test
+workflows:
+    version: 2
+    test:
+        jobs:
+            - test

circle.yml

@@ -1,12 +0,0 @@
-machine:
-  node:
-    version: 8.9.3
-
-dependencies:
-  post:
-    - npm install -g codeclimate-test-reporter
-
-test:
-  pre:
-    - npm run test:coverage
-    - codeclimate-test-reporter < ./coverage/lcov.info