Merge pull request #530 from juwara0/travisVars

Update travis.yml with build variables and remove node stable build

.travis.yml

@@ -2,8 +2,8 @@ sudo: required
 dist: trusty
 language: node_js
 node_js:
-  - '8.1.2'
-  - 'stable'
+  - $PUBLISH_NODE_VERSION
+
 addons:
   apt:
     sources:
@@ -22,8 +22,6 @@ env:
     - secure: UAeyuAKSROuXqFhNeMMMKhSTwyO7J1o/dyT7p/nVVlxagujCD2A4ggzREg+HBCWDurDqdmN5tVYTC+crVVgjmX9lIpukDGAomXR5wln8niSlu4H0rxqBdbjuCKFbS8EPKy56c/n50TNMjMCkCejAU8sdZLbJT8OMHpLMdl+WkyCGEzBgNiTbxUFu5AkuVAhhS0xBChiBh6uCLXqOku9B2UDIs9U9qYV99B0HLOeksZS/errOtVpaJr+qQOP0tm+cbtUxeI+Ub+uEnnuoKjbEtJwnzaToZPA2i9X+Xe9WR0sIXFmS/vF1syVYdvZE2z/fCCydjwczM93Td/Oq9KluFikwX+y807MmgjFiv1rSeBRLob8wKQBlNoEc+NydDsRdQjsFjOQWG0yc/C78Xqi7PHipZw/Wf5GzOgxmxqjOvM2s16VBI9UJPcMme7FykDeHwoROi4xCGvjFLyxJ3UjsthwY+uRS1YVmGIlqMUJEdSUquAeVevRaEaPmH4n6qdXsTjMw+75UPfw4SgBZuO0DFnC8Tgr4UZY6IkL7NQxWenZZje1pkjTkBHLy7SitNjugEYqukVf5SGUyC2mtMbbBDOlZBQML9/s7jbmGFENbAc2+EtvVq2Hu+u+DciN9IRSwZtmI06p8d1ifCwoU1NU7RCdchu22n0D8/EG6aDuOwDI=
 matrix:
   fast_finish: true
-  allow_failures:
-    - node_js: 'stable'
 
 before_install:
   - npm config set spin false
@@ -52,7 +50,7 @@ deploy:
   on:
     all_branches: true
     condition: "$EMBER_TRY_SCENARIO = 'ember-default'"
-    node: '8.1.2'
+    node: $PUBLISH_NODE_VERSION
     tags: true
 after_deploy:
   - $(npm root -g)/ciena-devops/scripts/slack/incoming-webhooks/send-message.sh