travis.iml updates

Author: dhilt

.travis.yml

@@ -1,17 +1,22 @@
 language: node_js
 
 node_js:
-- '10.12.0'
+- "stable"
+
+install:
+- npm install
+
+cache:
+  directories:
+  - "node_modules"
 
 addons:
   firefox: latest
 
-before_install:
+before_script:
 - export DISPLAY=:99.0
 - sh -e /etc/init.d/xvfb start
-
-before_script:
-- npm install
+- sleep 3
 
 script:
 - npm run build
@@ -20,6 +25,6 @@ deploy:
   provider: pages
   skip_cleanup: true
   github_token: $github_token
-  local_dir: demo
+  local_dir: ./
   on:
     branch: master