add php 5.5 to matrix and relax benchmark to not fail on travis

Author: dbu

.travis.yml

@@ -3,6 +3,7 @@ language: php
 php:
   - 5.3
   - 5.4
+  - 5.5
   - hhvm
 
 before_script:

tests/PHPCR/Tests/Util/NodeHelperTest.php

@@ -173,7 +173,7 @@ public function testBenchmarkOrderBeforeArray()
     {
         $nodes = array();
 
-        for ($i = 0; $i < 1000000; $i++) {
+        for ($i = 0; $i < 100000; $i++) {
             $nodes[] = 'test' . $i;
         }