Add Travis CI testing

.travis.yml

@@ -0,0 +1,7 @@
+language: php
+
+php:
+  - 5.3
+  - 5.4
+
+before_script: composer install --dev

README.md

@@ -1,5 +1,7 @@
 # WildcardEventDispatcher
 
+[![Build Status](https://travis-ci.org/jmikola/WildcardEventDispatcher.png?branch=master)](https://travis-ci.org/jmikola/WildcardEventDispatcher)
+
 This library implements an event dispatcher, based on [Symfony2's interface][],
 with wildcard syntax inspired by AMQP topic exchanges. Listeners may be bound to
 a wildcard pattern and be notified if a dispatched event's name matches that

tests/bootstrap.php

@@ -1,9 +1,7 @@
 <?php
 
-if (file_exists($file = __DIR__.'/../vendor/autoload.php')) {
-    $loader = require_once $file;
-} else {
+if (!is_file($autoloadFile = __DIR__.'/../vendor/autoload.php')) {
     throw new RuntimeException('Install dependencies to run test suite.');
 }
 
-$loader->add('Jmikola\\WildcardEventDispatcher', __DIR__.'/../src');
+require $autoloadFile;