Setup travis

Author: tyx

.travis.yml

@@ -0,0 +1,13 @@
+language: php
+
+php:
+    - 5.5
+    - 5.6
+    - 7.0
+
+before_script:
+    - composer install --prefer-dist --optimize-autoloader
+    - bin/install-moco.sh
+
+script:
+    - vendor/bin/behat -f progress