Update build

Author: garyb

.gitignore

@@ -6,3 +6,4 @@
 /.psc*
 /.purs*
 /.psa*
+package-lock.json

.travis.yml

@@ -2,9 +2,22 @@ language: node_js
 dist: trusty
 sudo: required
 node_js: stable
+env:
+  - PATH=$HOME/purescript:$PATH
 install:
+  - TAG=$(wget -q -O - https://github.com/purescript/purescript/releases/latest --server-response --max-redirect 0 2>&1 | sed -n -e 's/.*Location:.*tag\///p')
+  - wget -O $HOME/purescript.tar.gz https://github.com/purescript/purescript/releases/download/$TAG/linux64.tar.gz
+  - tar -xvf $HOME/purescript.tar.gz -C $HOME/
+  - chmod a+x $HOME/purescript
   - npm install -g bower
   - npm install
-  - bower install
+  - bower install --production
 script:
   - npm run -s build
+  - bower install
+  - npm run -s test
+after_success:
+- >-
+  test $TRAVIS_TAG &&
+  echo $GITHUB_TOKEN | pulp login &&
+  echo y | pulp publish --no-push