Add Travis file

Author: PedroTroller

.travis.yml

@@ -0,0 +1,11 @@
+language: php
+php:
+    - 5.4
+    - 5.5
+
+before_script:
+    - composer update --prefer-source --dev
+
+script:
+    - bin/phpspec status
+    - bin/phpspec -fpretty