Travis testing (#13)

* travis testing

* update yml

* Change node version req and update ember try scenarios

.travis.yml

@@ -0,0 +1,46 @@
+---
+language: node_js
+node_js:
+  # we recommend testing addons with the same minimum supported node version as Ember CLI
+  # so that your addon works for all apps
+  - "6"
+
+sudo: false
+dist: trusty
+
+addons:
+  chrome: stable
+
+cache:
+  yarn: true
+
+env:
+  global:
+    # See https://git.io/vdao3 for details.
+    - JOBS=1
+  matrix:
+    - EMBER_TRY_SCENARIO=ember-lts-2.16
+    - EMBER_TRY_SCENARIO=ember-lts-2.18
+    - EMBER_TRY_SCENARIO=ember-release
+    - EMBER_TRY_SCENARIO=ember-beta
+    - EMBER_TRY_SCENARIO=ember-canary
+    - EMBER_TRY_SCENARIO=ember-default-with-jquery
+
+matrix:
+  fast_finish: true
+  allow_failures:
+    - env: EMBER_TRY_SCENARIO=ember-canary
+
+before_install:
+  - curl -o- -L https://yarnpkg.com/install.sh | bash
+  - export PATH=$HOME/.yarn/bin:$PATH
+
+install:
+  - yarn install --no-lockfile --non-interactive
+
+script:
+  - yarn lint:js
+  - yarn lint:ts
+  # Usually, it's ok to finish the test scenario without reverting
+  #  to the addon's original dependency state, skipping "cleanup".
+  - node_modules/.bin/ember try:one $EMBER_TRY_SCENARIO --skip-cleanup