* Drop PHP 5.3 again

* Add phpunit.xml

.travis.yml

@@ -1,11 +1,5 @@
 language: php
 
-dist: trusty
-matrix:
-  include:
-    - php: 5.3
-      dist: precise
-
 php:
   - 5.4
   - 5.5

TwoFactorAuth.phpproj

@@ -65,5 +65,6 @@
     <Content Include="logo.png" />
     <Content Include="multifactorauthforeveryone.png" />
     <Content Include="LICENSE" />
+    <Content Include="phpunit.xml" />
   </ItemGroup>
 </Project>

phpunit.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false">
+    <testsuites>
+        <testsuite name="Unit">
+            <directory suffix="Test.php">./tests</directory>
+        </testsuite>
+    </testsuites>
+</phpunit>