title: How to push with Sourcetree from Branch to Master
body: <p>I have a master branch and a featureBranch.
  Our companies default is to rebase the featureBranch to the master so that the featureBranch is uptodate with the master.
  Then to push the featureBranch to the master</p>
  
  <pre><code>git push origin featureBranch:master
  </code></pre>
  
  <p>How can I achive this with Sourcetree?</p>