package typo and remove misc dir

Author: jasonkarns

package.json

@@ -5,7 +5,7 @@
   "homepage": "https://github.com/nodenv/nodenv-package-json-engine#readme",
   "license": "MIT",
   "author": "Adam Hull (http://hurrymaplelad.com)",
-  "contibutors": [
+  "contributors": [
     "Jason Karns <jason@karns.name> (http://jason.karns.name)"
   ],
   "repository": {
@@ -17,7 +17,6 @@
   },
   "directories": {
     "bin": "bin",
-    "testnodenv": "test/nodenv",
     "test": "test"
   },
   "files": [