Update vinyl to 0.5.x

Author: lijunle

package.json

@@ -21,7 +21,7 @@
     "object-assign": "^2.0.0",
     "strip-bom": "^1.0.0",
     "through2": "^0.6.1",
-    "vinyl": "^0.4.0",
+    "vinyl": "^0.5.0",
     "vinyl-filter-since": "^2.0.0"
   },
   "devDependencies": {