Suggest sending pull requests instead of issues

Author: kneath

README.markdown

@@ -759,7 +759,7 @@ Once you've made your great commits:
 1. [Fork][1] Resque
 2. Create a topic branch - `git checkout -b my_branch`
 3. Push to your branch - `git push origin my_branch`
-4. Create an [Issue][2] with a link to your branch
+4. Create a [Pull Request](http://help.github.com/pull-requests/) from your branch
 5. That's it!
 
 You might want to checkout our [Contributing][cb] wiki page for information