Add Travis CI integration

.travis.yml

@@ -0,0 +1,13 @@
+language: php
+
+php:
+  - 5.5
+  - 5.6
+  - 7.0
+  - hhvm
+
+install:
+  - travis_retry composer install --no-interaction --prefer-source
+
+script:
+  - vendor/bin/phpunit

README.md

@@ -1,6 +1,9 @@
 Laravel VAT
 ================
 
+<a href="https://travis-ci.org/dannyvankooten/laravel-vat"><img src="https://img.shields.io/travis/dannyvankooten/laravel-vat/master.svg?style=flat-square" alt="Build Status"></img></a>
+<a href="LICENSE"><img src="https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square" alt="Software License"></img></a>
+
 Laravel VAT is a simple Laravel library which helps you in dealing with European VAT rules. It helps you...
 
 - Grab (current) VAT rates for any European member state

phpunit.xml.dist

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         beStrictAboutTestsThatDoNotTestAnything="true"
+         beStrictAboutOutputDuringTests="true"
+         bootstrap="vendor/autoload.php"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         failOnRisky="true"
+         failOnWarning="true"
+         processIsolation="false"
+         stopOnError="false"
+         stopOnFailure="false"
+         verbose="true"
+>
+    <testsuites>
+        <testsuite name="Laravel VAT Test Suite">
+            <directory suffix="Test.php">./tests</directory>
+        </testsuite>
+    </testsuites>
+    <filter>
+        <whitelist processUncoveredFilesFromWhitelist="true">
+            <directory suffix=".php">./src</directory>
+        </whitelist>
+    </filter>
+</phpunit>