Move CI and release to Github Actions

and away from TravisCI

.github/workflows/ci.yaml

@@ -0,0 +1,60 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - '*'
+  pull_request: {}
+  schedule:
+    - cron: '0 6 * * 0' # weekly, on sundays
+
+jobs:
+  test:
+    name: Tests
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions/setup-node@v1
+      with:
+        node-version: 8
+    - name: install dependencies
+      run: npm ci
+    - name: lint js
+      run: npm run lint:js
+    - name: lint hbs
+      run: npm run lint:hbs
+    - name: test
+      run: npm test
+
+  try-scenarios:
+    name: ember-try
+
+    runs-on: ubuntu-latest
+
+    needs: test
+
+    strategy:
+      fail-fast: true
+      matrix:
+        ember-try-scenario:
+         - ember-lts-3.4
+         - ember-lts-3.8
+         - ember-release
+         - ember-beta
+         - ember-canary
+         - ember-default-with-jquery
+
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions/setup-node@v1
+      with:
+        node-version: 12
+    - name: install dependencies
+      run: npm ci
+    - name: test
+      env:
+        EMBER_TRY_SCENARIO: ${{ matrix.ember-try-scenario }}
+      run: node_modules/.bin/ember try:one $EMBER_TRY_SCENARIO

.github/workflows/release.yaml

@@ -0,0 +1,34 @@
+name: Publish NPM Package
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - uses: actions/setup-node@v1
+      with:
+        node-version: 12
+    - name: install dependencies
+      run: npm ci
+    - name: test
+      run: npm test
+
+  publish-npm:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12
+          registry-url: https://registry.npmjs.org/
+      - name: install dependencies
+        run: npm ci
+      - name: publish
+        run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.npm_token}}