Fix failing Travis builds for 1.14

Author: rubensworks

.travis.yml

@@ -1,3 +1,4 @@
+dist: trusty
 language: java
 jdk: oraclejdk8
 notifications:
@@ -9,8 +10,7 @@ env:
   - TERM=dumb
 
 before_install: '[ "${TRAVIS_PULL_REQUEST}" != "false" ] || openssl aes-256-cbc -K $encrypted_99720611c632_key -iv $encrypted_99720611c632_iv -in keystore.jks.enc -out keystore.jks -d'
-install: ./gradlew setupCIWorkspace -S
-script: ./gradlew build -S
+install: ./gradlew build -S
 
 cache:
   directories: