Merge pull request #536 from Shopify/update-releasing

Correct the release intsructions.

RELEASING

@@ -2,7 +2,7 @@ Releasing ShopifyAPI
 
 1. Check the Semantic Versioning page for info on how to version the new release: http://semver.org
 2. Update the version of ShopifyAPI in lib/shopify_api/version.rb
-3. Add a CHANGELOG entry for the new release with the date
+3. Add a CHANGELOG entry for the new release
 4. Commit the changes with a commit message like "Packaging for release X.Y.Z"
 5. Tag the release with the version (Leave REV blank for HEAD or provide a SHA)
   $ git tag vX.Y.Z REV
@@ -10,7 +10,4 @@ Releasing ShopifyAPI
   $ git push
 7. Push out the tags
   $ git push --tags
-8. Build the new .gem from the updated .gemspec
-  $ gem build shopify_api.gemspec
-9. Publish the Gem to gemcutter
-  $ gem push shopify_api-X.Y.Z.gem
+8. Publish the gem using Shipit