added travis.yml to the project

Author: mkusher

.travis.yml

@@ -0,0 +1,8 @@
+language: php
+php:
+    - 5.5
+    - 5.6
+    - nightly
+install:
+    - composer install
+script: bin/peridot specs/ && bin/behat

README.md

@@ -1,6 +1,8 @@
 Padawan.php for composer projects
 =================================
 
+[![Build Status](https://travis-ci.org/mkusher/padawan.php.svg?branch=master)](https://travis-ci.org/mkusher/padawan.php)
+
 Smart php intelligent code completion plugin for composer projects.
 It tries to be a [Jedi](https://github.com/davidhalter/jedi-vim),
 but currently it's only a padawan.