Merge pull request phpspec#1 from RobLoach/validate-composer

Fix composer.json so that it validates

Author: everzet

composer.json

@@ -2,11 +2,12 @@
     "name": "phpspec/php-diff",
     "type": "library",
     "description": "A comprehensive library for generating differences between two hashable objects (strings or arrays).",
+    "license": "BSD-3-Clause",
 
     "authors": [
         {
             "name": "Chris Boulton",
-            "email": "@chrisboulton"
+            "homepage": "http://github.com/chrisboulton"
         }
     ],
 
@@ -15,4 +16,4 @@
             "Diff": "lib/"
         }
     }
-}
+}