Make a travis config similar to NSS

Author: kjetilk

.travis.yml

@@ -1,4 +1,29 @@
 sudo: false
 language: node_js
 node_js:
-  - "0.12"
+  - "8"
+  - "10"
+  - "lts/*"
+  - "node"
+
+before_install:
+  - echo "No GitHub dependencies allowed" &&
+    ! grep '"github:' package-lock.json
+  - npm install -g npm@latest
+
+install:
+  - npm ci
+
+script:
+  # Test the code
+  - npm test
+  # Test global install of the package
+  - npm pack .
+  - npm install -g solid-server-*.tgz
+
+cache: npm
+
+notifications:
+  email:
+  - solid@janeirodigital.com
+  - solid-travis@inrupt.com