add back semantic-release, improve naming

Author: chrisbreiding

circle.yml

@@ -1,19 +1,19 @@
-version: 2
+version: 2.1
 
 workflows:
-  version: 2
   main:
     jobs:
-      - lint
-      - test-v4
-      - test-v5
-      - test-v6
+      - Lint
+      - Test ESLint 4
+      - Test ESLint 5
+      - Test ESLint 6
+      - NPM Release
 
 jobs:
   lint:
+    name: Lint
     docker:
       - image: circleci/node:8
-
     steps:
       - checkout
       - run:
@@ -22,41 +22,59 @@ jobs:
       - run:
           name: Lint code
           command: npm run lint
+
   test-v4:
+    name: Test ESLint 4
     docker:
       - image: circleci/node:8
-
     steps:
       - checkout
       - run:
           name: Install dependencies
           command: npm install
       - run:
-          name: Lint code
+          name: Test ESLint 4
           command: npm run test:v4
 
   test-v5:
+    name: Test ESLint 5
     docker:
       - image: circleci/node:8
-
     steps:
       - checkout
       - run:
           name: Install dependencies
           command: npm install
       - run:
-          name: Lint code
+          name: Test ESLint 5
           command: npm run test
 
   test-v6:
+    name: Test ESLint 6
     docker:
       - image: circleci/node:8
-
     steps:
       - checkout
       - run:
           name: Install dependencies
           command: npm install
       - run:
-          name: Lint code
+          name: Test ESLint 6
           command: npm run test:v6
+
+  npm-release:
+    name: NPM Release
+    filters:
+      branches:
+        only:
+          - master
+    requires:
+      - lint
+      - test-v4
+      - test-v5
+      - test-v6
+    steps:
+      - checkout
+      - run:
+        name: Run semantic release
+        command: npm run semantic-release