updated travis file (#98)

Author: einorler

.travis.yml

@@ -1,20 +1,25 @@
-sudo: false
+sudo: true
 language: php
 php:
-  - 5.5
   - 5.6
   - 7.0
   - hhvm
 env:
   global:
-    - ES_VERSION="2.1.1"
+    - JAVA_HOME="/usr/lib/jvm/java-8-oracle/jre"
+    - ES_URL="https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.1.2.zip"
 matrix:
   allow_failures:
     - php: hhvm
+addons:
+  apt:
+    packages:
+      - oracle-java8-installer
 install:
-  - wget https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch-${ES_VERSION}.tar.gz
-  - tar -xzf elasticsearch-${ES_VERSION}.tar.gz
-  - ./elasticsearch-${ES_VERSION}/bin/elasticsearch > /dev/null 2>&1 &
+  - sudo apt-get install -y oracle-java8-set-default
+  - curl -L -o elasticsearch.zip $ES_URL
+  - unzip elasticsearch.zip
+  - ./elasticsearch-*/bin/elasticsearch -d
 before_script:
   - composer config -g github-oauth.github.com $GITHUB_COMPOSER_AUTH
   - composer install --no-interaction --prefer-dist