Update tap

Author: tmcw

package.json

@@ -56,7 +56,7 @@
     "glob": "^5.0.2",
     "lodash": "^3.10.1",
     "mock-fs": "^3.2.0",
-    "tap": "^1.4.1"
+    "tap": "^2.2.0"
   },
   "keywords": [
     "documentation",