Enable releasing fetch via a tag alone

.travis.yml

 language: node_js
 script: make test
+before_deploy:
+- npm-prepublish --verbose
+deploy:
+  provider: npm
+  email: "replace-with-email"
+  api_key:
+    secure: "replace-with-encrypted-api-key"
+  on:
+    all_branches: true
+    tags: true
+    repo: github/fetch

MAINTAINING.md

@@ -6,24 +6,14 @@ This project follows [semver](http://semver.org/). So if you are making a bug
 fix, only increment the patch level "1.0.x". If any new files are added, a
 minor version "1.x.x" bump is in order.
 
-### Make a release commit
+### Make a release
 
-To prepare the release commit:
+To prepare the release:
 
-1. Edit the [bower.json](https://github.com/github/fetch/blob/master/bower.json)
-`version` value.
-2. Change the npm [package.json](https://github.com/github/fetch/blob/master/package.json)
-`version` value to match.
-3. Make a single commit with the description as "Fetch 1.x.x".
-4. Finally, tag the commit with `v1.x.x`.
+1. Tag the commit with `v1.x.x`.
 
 ```
 $ git pull
-$ vim bower.json
-$ vim package.json
-$ git add bower.json package.json
-$ git commit -m "Fetch 1.x.x"
 $ git tag v1.x.x
-$ git push
 $ git push --tags
 ```

bower.json

 {
   "name": "fetch",
-  "version": "0.4.0",
   "main": "fetch.js",
   "devDependencies": {
     "es6-promise": "1.0.0",

package.json

 {
   "name": "fetch",
-  "version": "0.4.0",
   "main": "fetch.js",
   "private": true,
   "devDependencies": {
     "bower": "1.3.8",
     "jshint": "2.5.2",
-    "node-qunit-phantomjs": "0.2.2"
+    "node-qunit-phantomjs": "0.2.2",
+    "npm-prepublish": "1.0.1"
   }
 }