Ensure versions are published to NPM.

Author: rwjblue

package.json

@@ -9,7 +9,7 @@
   "scripts": {
     "test": "mocha test/**/*-test.js",
     "preversion": "npm test",
-    "postversion": "git push && git push --tags"
+    "postversion": "git push && git push --tags && npm publish"
   },
   "author": "Robert Jackson <[email protected]>",
   "license": "MIT",