Add phpspec to composer

Author: Robin Cawser

composer.json

@@ -1,19 +1,23 @@
 {  
-   "name":"vivait/string-generator-bundle",
-   "description":"Generate random strings for IDs, passwords or keys using property annotations",
-   "authors":[  
-      {  
+    "name":"vivait/string-generator-bundle",
+    "description":"Generate random strings for IDs, passwords or keys using property annotations",
+    "authors":[
+      {
          "name":"Robin Cawser",
          "email":"robin@vivait.co.uk"
       }
-   ],
-   "require":{  
-
-   },
-   "autoload":{  
-      "psr-0":{  
+    ],
+    "require":{},
+    "require-dev": {
+        "phpspec/phpspec": "~2.0"
+    },
+    "config": {
+        "bin-dir": "bin"
+    },
+    "autoload":{
+      "psr-0":{
          "Vivait\\StringGeneratorBundle":""
       }
-   },
-   "target-dir":"Vivait/StringGeneratorBundle"
+    },
+    "target-dir":"Vivait/StringGeneratorBundle"
 }