Merge pull request #17 from Agoric/move-to-circle-ci

remove .travis.yml, add .circleci/config.yml

.circleci/config.yml

@@ -0,0 +1,26 @@
+version: 2.0
+jobs:
+  build:
+    docker:
+      - image: circleci/node:11
+    steps:
+      - checkout # special step to check out source code to working directory
+      - run:
+          name: Update npm
+          command: 'sudo npm install -g npm@latest'
+      - restore_cache: # special step to restore the dependency cache
+          # Read about caching dependencies: https://circleci.com/docs/2.0/caching/
+          key: dependency-cache-{{ checksum "package.json" }}
+      - run:
+          name: Install npm
+          command: npm install
+      - save_cache: # special step to save the dependency cache
+          key: dependency-cache-{{ checksum "package.json" }}
+          paths:
+            - ./node_modules
+      - run:
+          name: Lint
+          command: npm run lint
+      - run:
+          name: Test
+          command: npm test