BUGFIX Fixing including of thirdparty tests when using phpunit.xml

(requires PHPUnit 3.6, so marking that as the minimum requirement in
comments)

phpunit.xml.dist

@@ -1,4 +1,8 @@
 <!-- 
+	PHPUnit configuration for SilverStripe
+
+	Requires PHPUnit 3.6+
+
 	Usage: 
 	 - "phpunit": Runs all tests in all folders
 	 - "phpunit framework/tests/": Run all tests of the framework module
@@ -12,12 +16,10 @@
 	  for more information on configuration and execution options.
 	- framework/dev/TestRunner.php for an alternative way to run unit tests through the "sake" CLI tool.
 -->
-<phpunit 
-	bootstrap="framework/tests/bootstrap.php"
-	colors="true"
->
+<phpunit bootstrap="framework/tests/bootstrap.php" colors="true">
 	<testsuite name="Default">
 		<directory>./</directory>
+		<exclude>framework/thirdparty/</exclude>
 	</testsuite>
 
 	<filter>
@@ -39,5 +41,4 @@
 			<group>sanitychecks</group>
 		</exclude>
 	</groups>
-	
 </phpunit>