Try fixing multi-stage build

Author: keritaf

.travis.yml

@@ -1,7 +1,6 @@
 language: scala
 sudo: false
-jdk:
-- oraclejdk8
+jdk: oraclejdk8
 
 jobs:
  include:
@@ -10,7 +9,7 @@ jobs:
  - stage: deploy
  name: Deploy to Bintray
  script: skip
- if: (tag =~ ^v[0-9]+\.[0-9]+\.[0-9]+(\-.*)?) AND env(TRAVIS_PULL_REQUEST) = 'false'
+ if: tag =~ ^v[0-9]+\.[0-9]+\.[0-9]+(\-.*)?
  deploy:
  provider: script
  script: sbt ';+publish'