Changed the name of the php-silex-orm test to be unique. Was named identical to the php-silex default test

php-silex-orm/benchmark_config

@@ -1,5 +1,5 @@
 {
-  "framework": "silex",
+  "framework": "silex-orm",
   "tests": [{
     "default": {
       "setup_file": "setup",