Added travis build configuration.

Author: cjsaylor

.travis.yml

@@ -0,0 +1,24 @@
+sudo: required
+dist: precise
+
+language: php
+php:
+  - 5.5
+  - 5.6
+  - 7
+
+env:
+  - DB=1.7.1 ES_PKG=https://download.elastic.co/elasticsearch/elasticsearch/elasticsearch-1.7.1.deb
+  - DB=2.2.0 ES_PKG=https://download.elasticsearch.org/elasticsearch/release/org/elasticsearch/distribution/deb/elasticsearch/2.2.0/elasticsearch-2.2.0.deb
+
+before_install:
+  - curl -O $ES_PKG && sudo dpkg -i --force-confnew $(printf 'elasticsearch-%s.deb' $DB)
+  - sudo service elasticsearch start
+
+install:
+  - composer install --dev
+
+script: ./bin/phpunit --coverage-text
+
+notifications:
+  email: false