Create .travis.yml

Author: clarkeash

.travis.yml

@@ -0,0 +1,17 @@
+language: php
+
+php:
+  - 7.1
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+
+before_install:
+  - travis_retry composer self-update
+
+install:
+  - travis_retry composer install --no-interaction --prefer-dist --no-suggest
+
+script:
+  - vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover